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© 2010 Viking Preferred Service 

38

Service Diagnostics and Procedures 

Component Testing

The unit has a main control board and UI (dispenser) board that control functions of the respective 
refrigerator/freezer compartment. Components can be diagnosed via these boards. With the board accessed 
(refer to control board access procedure, page 71 and dispenser board access procedure, page 67), the 
following can be measured:

Component Testing–Control Board

Component

Board

Test Point

Reading

Condenser Motor

Control

J1-1 (Blue) to J1-8 (White)

4.7

1

Defrost Terminator

Control

J1-2 (Brown) to J2-5 (Orange)

'

 Open  0 

1

 Closed

*Depends on coil temperature

Evaporator Fan Motor  
(120 volt)

Control

J1-3 (Black) to J1-8 (white)

1637

1

Evaporator Fan

Control

J6-5 (Black/Yellow) to J6-1 (Black/Green)

6.54K

1

Damper

Control

J1-4 (Red) to J1-7 (Yellow/Red) 

2.4K

1

Damper Switch

Control

J1-4 (Red) to J2-4 (Blue/Red)

0

1

 switch closed

'1

 switch open

Refrigerator Lights

Control

J1-6 (Red/White) neutral  to J1-4 (Red) Line

Conditions: Either fresh food door must be 
open and power disconnected.

8.8

1

Refrigerator Light Switch 
(N.C.)

Control

J2-1 (Tan/Red)  to J1-4 (red).

Conditions: Either fresh food door must be 
open and power disconnected

0

1

 door open

'1

 door closed

Refrigerator Interlock Switch 
(N.O.)

Control

J2-10 (Black/Red) to J1-4 (Red)

0

1

 door closed

'

 door open

Freezer Light Switch

Control

J1-4 (Red) to J2-6 (Gray/White).

0

1

 door closed

'

 door open

Freezer Lights

Control

J1-6 (Red/White) to J2-6 (Gray/White)

25.1

1

Ice Maker Switch

Control

J2-8 Violet) to J2-2 (Gray)

0

1

 switch on

'1

 switch off

Ice Maker

Control

J2-8 (Yellow) to J1-8 (White)

266

1

Ice Auger

Control

J2-9 (Pink) to J1-8 (White)

4.4

1

Icemaker Thermistor

Control

J3-4 (White/Black) to J3-5 (White/Orange)

9.31K

1

 @ room temperature

Freezer Thermistor

Control

J3-2 (White/Yellow) to J3-5 (White/Orange)

9.38K

1

Refrigerator Thermistor

Control

J3-1 (White/Blue) to J3-5 (White/Orange)

7.63K

1

Ice Fan

Control

J6-2 (Red/Black) to J6-4(Blue/Black)

26.8K

1

WARNING

 

To avoid risk of electrical shock, personal injury, or death, disconnect electrical power to unit using power 
switch before servicing. After servicing, reconnect power using power switch.

Summary of Contents for DDFF136D

Page 1: ... for property damage or personal injury for improper service procedures done by an unqualified person Service Manual This Base Manual covers general and specific information including but not limited to the following models VCFF136D DDFF136D Preferred Service Freestanding French Door Bottom Mount Refrigerator Freezer with Dispenser ...

Page 2: ...Maker Relay 33 201 Mullion Heater Override 33 Description Page 202 Default Defrost Operation 34 211 Fresh Food Temperature Offsets 34 212 Freezer Temperature Offsets 34 213 Ice Compartment Temperature Offsets 35 221 Reset Default Settings 35 231 Water Filter Usage 35 232 Water Filter Days In Use 36 241 Software Revision Main Control 36 244 Software Revision Display Board 36 SERVICE DIAGNOSTICS AND...

Page 3: ...L SHEETS BEFORE BEGINNING REPAIRS Pride and workmanship go into every product to provide our customers with quality appliances It is possible however that during the lifetime of a product service may be required Products should be serviced only by a qualified authorized service technician who is familiar with the safety procedures required to perform the repair and is equipped with the proper tools...

Page 4: ...Examples are but not limited to bed and breakfasts fire stations private clubs churches etc This warranty excludes all commercial locations such as restaurants food service locations and institutional food service locations This warranty extends to the original purchaser of the product warranted hereunder and to each transferee owner of the product during the term of the warranty This warranty shal...

Page 5: ...on IMPORTANT Retain proof of original purchase to establish warranty period The return of the Owner Registration Card is not a condition of warranty coverage You should however return the Owner Registration Card so that Viking Range Corporation can contact you should any question of safety arise which could affect you Any implied warranties of merchantability and fitness applicable to the described...

Page 6: ... 1 8 71 4 cm Electrical requirements 115 volt 60 Hz 15 amp dedicated circuit 3 wire cord with grounded 3 prong plug attached to product Maximum amp usage 10 amps Refrigerant type HFC 134a Refrigerant charge See rating label Approximate shipping weight 321 lbs 145 6 kg Go to vikingrange com for latest specifications VCFF136D DDFF136D 44 3 16 112 2 cm 24 3 16 62 9 cm 35 7 8 91 1 cm w side panels acce...

Page 7: ... 115 volt 60 Hz 15 amp fused electrical supply is required It is required that a separate circuit serving only this appliance be provided This appliance is equipped with a power supply cord having a 3 prong grounding plug To minimize possible shock hazard the cord must be plugged into a mating 3 prong grounding type wall receptacle DO NOT use an extension cord WARNING TIP OVER HAZARD Appliance is ...

Page 8: ...EENWOOD MISSISSIPPI 36390 ASSEMBLED IN USA MOD VCFF136DSSO SER KO3028017 MINIMUM INSTALLATION CLEARANCE TOP 1 4 INCH ESPACE DE DEGAGEMENT REQUIS 1 4 5 25 oz R134a 148 g de R134a 115VAC 60Hz 10 00 A CODE 2213 LISTED HOUSEHOLD REFRIGERATOR 1665 TYPE BMA200 ENERGY PERFORMANCE EEV109900 VERIFIED V C F F 1 3 6 D S S V Professional Series D Designer Series French Door 36 Wide Version SS Stainless Dispen...

Page 9: ...freezer first check the air vents to be sure they are not blocked before adjusting the controls Temperature Controls For your convenience your temperature controls are preset at the factory When you first install your refrigerator make sure the controls are still set to the recommended set points UÊÊ Ê Ê ÀiÃÃÊÌ iÊÌ ÕV Ê Ê iÝÌÊÌ Êº Ê Ê TEMP on the main menu to display the current set point of the com...

Page 10: ...efrigerator or freezer use full grocery loads or temporarily warm room temperatures by lowering the freezer and refrigerator to the minimum temperatures 1 On the main menu press the touch pad next to OPTIONS 2 In each of the following screens continue to press the touch pad next to MORE OPTIONS until MAX COOL IS OFF appears on the display 3 Press the touch pad next to MAX COOL IS OFF to switch bet...

Page 11: ...etting and return to the main menu Humidity Control The Humidity Control feature turns on a heater to help reduce moisture on the door hinge seal Use in humid environments or when you notice moisture on the door hinge seal The refrigerator uses more energy when Humidity Control is on 1 On the main menu press the touch pad next to OPTIONS 2 Press the touch pad next to HUMID CTRL IS ON to switch bet...

Page 12: ...awer can be used for large party trays deli items beverages or miscellaneous items There is a divider to organize the drawer into sections if desired MeatSavor Control The control located on the right of the drawer regulates the air temperature inside the drawer Set control to COLD to provide normal refrigerator temperature Use the COLDEST setting for meats or other deli items UÊÊ Ê Ê Ê ÀÊ ÀiVÌi Ê...

Page 13: ...ÀÊÃ Õ Ê À ÕViÊ À Ý Ìi ÞÊnÊ to 12 batches of ice in a 24 hour period UÊÊ Ê Ê Ê VÀi ÃiÊ ViÊ À ÕVÌ Ê ÜiÀÊÌ iÊvÀiiâiÀÊ and refrigerator temperature See Using the Controls Wait 24 hours between adjustments Remember UÊÊ Ê Ê iÊµÕ ÌÞÊ vÊÞ ÕÀÊ ViÊÜ ÊLiÊ ÞÊ ÃÊ Ê as the quality of the water supplied to the ice maker AVOID connecting the ice maker to a softened water supply Water softener chemicals such as sa...

Page 14: ...Ê LEDs which should not need to be changed UÊ ÊÊ 7 i ÊÞ ÕÊÕÃiÊÌ iÊ dispenser the lever will automatically turn the light on If you want the light to be on continuously you may choose either ON or AUTO Auto The light sensor monitors the light level in the room The dispenser light will illuminate at half power when the light level is low To activate the Auto option press the LIGHT touch pad The Auto...

Page 15: ...nue to press the touch pad next to MORE OPTIONS until you reach the REPLACE FILTER screen 3 Press the touch pad next to YES to reset the water filter status Press the touch pad next to NO if you do not wish to reset the water filter status Replacing the Water Filter Replacement water filters are available through your local Viking Range Dealer You may also order filters by calling 1 888 845 4641 or on...

Page 16: ... other harsh cleaning tools 1 Unplug refrigerator or disconnect power 2 Hand wash rinse and dry removable parts and interior surfaces thoroughly Use a clean sponge or soft cloth and a mild detergent in warm water 3 Wash stainless steel and painted metal exteriors with a clean sponge or soft cloth and a mild detergent in warm water 4 There is no need for routine condenser cleaning in normal home op...

Page 17: ...ired option or user setting to access the various features Note Press only the touch pads next to your selection on the display screen not the screen itself Entering Programming Mode 1 Press and hold the WATER button 2 Then press and hold the LL button Both buttons are now being held in UR Upper Right Keypad LR Lower Right Keypad UL Upper Left Key LL Lower Left Key Press and Hold Hold Press and Ho...

Page 18: ...etter PE will be displayed on the screen 5 Entry is confirmed by pressing the LL button There will be a number next to the PE and then on the right side of the display will be a three digit number These four numbers are the current programming code for this unit The example below shows code 2213 Note There is a DOT under the first number This will be explained later Release Hold PE PE2 213 Press ...

Page 19: ...ata plate above Incorrect code shown above 8 As mentioned before the first digit has a dot below it This indicates that the First digit is in programming mode Using either the UR or LR buttons this digit can be changed from 0 9 VIKING RANGE CORP GREENWOOD MISSISSIPPI 36390 ASSEMBLED IN USA MOD VCFF136DSSO SER KO3028017 MINIMUM INSTALLATION CLEARANCE TOP 1 4 INCH ESPACE DE DEGAGEMENT REQUIS 1 4 5 25...

Page 20: ...is now under the second digit 7 10 Continue to change the three remaining digits until the code on the display matches the code on the data plate When you are finished press and hold the LL button until the program code begins flashing This indicates that the changes have been saved 11 To EXIT the programming mode press and hold the WATER button for three seconds If not depressed it will automatical...

Page 21: ...the defrost heater is on After initial power up defrost interval is 4 hours compressor run time Defrost occurs immediately after the 4 hours Entering Forced Defrost Mode 1 Press and hold the WATER button 2 Then press and hold the LR button Both buttons are now being held in 3 While still holding the LR button release the WATER button and wait 3 seconds Press and Hold Hold Press and Hold Release Ho...

Page 22: ...Mode continued 4 When entered successfully Fd will be displayed on the left side of the screen 5 Press the LR button again Sh appears in right side of the display 6 Press LR again to force defrost 7 Fd and Sh will flash in display indicating unit is in defrost Press Press ...

Page 23: ...hold the WATER button 2 Then press and hold the UR button Both buttons are now being held in 3 While still holding the UR button release the WATER button and wait 3 seconds 4 The display will show SE confirming entry in the Service Mode Press and Hold Hold Press and Hold Release Hold SE ...

Page 24: ...e continued 5 Press the UR button again to enter in the service mode 6 Display will show 101 in left display and OFF in the right display Note At any time to exit service test mode open and close both refrigerator doors or hold door alarm for three seconds Press SE 101 OFF ...

Page 25: ...an Press the UR keypad or LR keypad to toggle Compressor Condenser fan On and Off 112 Freezer Fan Press the UR keypad or LR keypad to toggle Freezer Fan OFF High or Low speed Note Display will show 11 0 14 0 volts for HIGH and 7 75 8 25 volts for LOW When off 0 0 will be displayed Press either button to cycle defrost ON and OFF Press upper left button to toggle through test cycles 101 OFF Press ei...

Page 26: ...When damper is opening or closing it will display if damper state is unknown It can also show DP if damper is moving when initially entering service mode 131 Mullion Heater Press the UR keypad or LR keypad to toggle Mullion Heater Off and On Press either button to cycle ice compartment OFF High or Low speed Press either button to toggle through test cycles 113 0 0 Press either buttonto cycle Dampe...

Page 27: ...e actual temperature OP for open thermistor or SH for shorted thermistor 144 Ambient Thermistor This test will check the temperature from the outside temperate thermistor You will see the actual temperature OP open thermistor or SH shorted thermistor Actual temperature in food compartment OP or SH Press either button to toggle through test cycles 141 41 Press either button to toggle through test c...

Page 28: ...lay should read CL closed Note By pushing either fresh food door switches you can toggle state from OP open to CL closed 152 Freezer Food Door State This test will check the Freezer door switches When the door is open the display should read OP open and when the door is closed the display should read CL closed Note By pushing freezer door switch you can toggle state from OP open to CL closed Press...

Page 29: ...actuator pad or easy fill keypad you can control state of water dispenser valve 164 External Ice Chute Door This test shows the state of the external ice chute door CL closed or OP open Note By pushing actuator pad you can control state of external ice chute door Press either button to cycle internal lights En or dIS Press either button to toggle through test cycles 153 Press either button to toggl...

Page 30: ...ternal Ice Chute Door Operation This test shows the state of the ice auger motor and the internal ice chute door On or OFF Note By pushing actuator pad you can control state of the ice auger motor and the internal ice chute door 171 Actuator Pad Display shows the state of the actuator pad On or OFF Press either button to toggle through test cycles 165 OFF Press either button to toggle through test...

Page 31: ...ght sensor measures Lo By changing the sensor s exposure to ambient light you can control the sensor measurement 175 Dispenser Switch Display shows the state of the dispenser switch ON or OFF Note By pushing actuator pad or easy fill keypad you can change state of dispenser switch Press either button to toggle through test cycles 172 OFF Press either button to toggle through test cycles 173 Lo Pres...

Page 32: ...3 Keypad Operation This will test the keypad of the display Note UR and LR keypads have no effect when pressed and UL and LL keypads remain operational Press either button to show all indicators flashing Press second time to stop all indicators flashing Press either button to toggle through test cycles 182 ON Press either button to toggle through test cycles 183 0 Press 183 4 Press 183 FIL Press 1...

Page 33: ...gle the ice maker relay on and off Note This tests the M 4 relay on the control board The following are programmable changes that can be made to suit the customers requirements for proper operation 201 Mullion Heater Override Press the UR keypad or LR keypad to cycle this function When set to OFF the mullion heater will only operate when the compressor is in the OFF cycle When set to ON the heater...

Page 34: ...gardless of what current temperature scale is being used 212 Freezer Temperature Offsets Press the UR keypad or LR keypad to toggle calibration of freezer temperature plus or minus 1 F in increments up to 6 F Note Temperature will read in fahrenheit regardless of what current temperature scale is being used Press either button to cycle normal adaptive defrost OFF to minimum time between defrosts O...

Page 35: ...reset all adjustments made prior to this test Press the UR keypad or LR keypad to toggle reset to factory default settings dEF 231 Water Filter Usage Display shows the percent water filter consumption since water filter was reset 100 indicates the filter should be replaced Press either button to toggle through test cycles Press either button to change calibration of ice compartment temperature plus o...

Page 36: ...ntrol board 244 Software Revision Display Board The display shows the software revision of the display board Note Test mode 301 and above are reserved for engineering use only Note At any time to exit service test mode open and close both refrigerator doors or hold door alarm for three seconds Press either button to toggle through test cycles 232 5 Press either button to toggle through test cycles...

Page 37: ...n Control Board and Dispenser Board J3 Connector J6 Connector J2 Connector J1 Connector J1 Connector 12 volts GND power out to components and Main Control J3 Connector 12 volt power to dispenser mullion heaters J5 User Interface Connector J4 Connector 12 volt power to dispenser components ...

Page 38: ... J1 4 Red Line Conditions Either fresh food door must be open and power disconnected 8 81 Refrigerator Light Switch N C Control J2 1 Tan Red to J1 4 red Conditions Either fresh food door must be open and power disconnected 01 door open 1 door closed Refrigerator Interlock Switch N O Control J2 10 Black Red to J1 4 Red 01 door closed door open Freezer Light Switch Control J1 4 Red to J2 6 Gray Whit...

Page 39: ...3 Black 24 41 Door Motor Switch Dispenser J4 4 Yellow to J4 5 White 01 door open 1 door closed Mullion Element Dispenser J3 1 Red Black to J3 3 Blue White 14 31 Actuator Switch Dispenser J4 5 White to J4 6 Orange 1 at rest 01 actuator pressed WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing After servicing re...

Page 40: ...volt fan Black J1 2 Defrost thermostat Brown J1 1 Condenser motor and compressor Blue Pin Number Description Wire Color J3 5 Ground White Orange J3 4 Freezer thermistor White Yellow J3 2 Icemaker thermistor White Black J3 1 Fresh food thermistor White Blue J2 10 Fresh food interlock switch Black Red J2 9 Auger motor Pink J2 8 Icemaker thermal fuse Purple J2 7 Ice auger solenoid Yellow White J2 6 L...

Page 41: ...Blue Red J3 3 Mullion Heater Blue White J4 1 12VDC Red J4 2 LED Blue J4 3 Door Motor Black J4 4 Door Switch Yellow J4 5 Neutral White J4 6 Actuator Switch Orange Pin Number Description Wire Color J1 1 Light Pink Black J1 2 Fresh food thermistor Red Black J1 4 Freezer thermistor Yellow Black J1 5 Ground Black Green J1 1 J1 2 J1 4 J1 5 J3 1 J3 2 J3 3 J4 1 J4 2 J4 3 J4 4 J4 5 J4 6 ...

Page 42: ...e 42 Service Diagnostics and Procedures Parts Location Refrigerator Light Assembly Damper Light Switch Fresh Food Themistor Water Filter Water Valve Auger Assembly Ice Maker Water Tank Water Valve Meat Vegetable Temperature Control ...

Page 43: ...sure of 120 PSI To access the water filter French Door 1 Open doors depress filter cover release and lower filter cover 2 Remove filter by turning counterclockwise Refrigerator Light Bulb The unit uses standard 40W 120VAC light bulbs to illuminate the refrigerator compartment To access the light bulb 1 Open fresh food door depress securing tabs securing light cover and gently pull down cover 2 Replace...

Page 44: ...drawer To access vegetable meat temperature control 1 Open doors and remove shelves and drawers 2 Remove screws securing right tray guides 3 Rotate right tray guide to disengage clip then remove temperature control and right tray guide 4 Repair or replace as necessary Service Diagnostics and Procedures Disassembly WARNING To avoid risk of electrical shock personal injury or death disconnect electr...

Page 45: ... Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconnect power using power switch Tabs Water Tank Cover lower Tabs Water Tank Cover upper Wate...

Page 46: ...rning the screw clockwise One half turn will adjust the fill by approximately two thirds of an ounce If supply is ok replace water valve If no voltage is present verify harness If ok replace module To access the water valve 1 Open door and remove shelves and drawers 2 Remove upper and lower water tank covers see water tank section page 45 3 Disconnect water lines top and bottom wiring harnesses and...

Page 47: ...ed Service 47 Water Flow Service Diagnostics and Procedures Disassembly Water Line Water Tank to Ice Maker and Dispenser Water Solenoid Ice Maker and Dispenser Water Inlet to Dispenser Water Inlet to Ice Maker Water Filter ...

Page 48: ...lide ice bin assembly forward to remove 3 Repair or replace ice bin auger assembly Note Ice bin assembly individual parts are not serviceable If assembly is damaged entire unit must be replaced WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper termina...

Page 49: ...otor is designed to stall out and is geared to generate a lot of pressure This minimizes the amount of melting needed to extract the ice As soon as the ice is loose enough to move the ejector pushes the ice out of the mold during the second half of the first revolution During the second revolution the ejector pushes the ice into the bucket To make ice an ice maker needs power water and sub freezing...

Page 50: ...d preventing assembly removal 5 Remove front module cover with built in off on switch by pulling outward on the sides of cover 5 Repair or replace ice maker 6 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals t...

Page 51: ...ent at the violet wire check to see if voltage is present at the 16 Pin Molex plug Violet 3 terminal If 120 Volts is present the TCO has opened and will need to be replaced If power is correct to the ice maker shut the Ice maker power switch OFF Verify there is 0 volts at N and L then set your multimeter to read resistance To check the Mold heater check for 72 Ω between L and H If readings are cor...

Page 52: ... required to make ice To access the ice fan assembly 1 Remove ice bin assembly and ice maker see ice bin assembly section page 48 and ice maker section page 49 2 Depress tabs on top and bottom of fan motor assembly to release 3 Disconnect wiring harness WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires r...

Page 53: ...s accessible 8 Repair or replace fan motor 9 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconnect power using power switch Service Diagnost...

Page 54: ...te Ice maker yoke is left handed thread 4 Disconnect wiring 5 Remove auger motor 6 Repair or replace auger motor 7 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarizati...

Page 55: ...wdriver blade 5 Slide motorized damper forward to remove 6 Repair or replace motorized damper 7 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing ...

Page 56: ...mbly section steps 1 3 page 52 3 Slide damper out of housing and disconnect wiring harness 4 Replace or repair as necessary 5 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and...

Page 57: ... 2010 Viking Preferred Service 57 Service Diagnostics and Procedures Disassembly Parts Location Freezer Rear Panel Evaporator Fan Light Switch Freezer Thermistor Light Assembly ...

Page 58: ...To access the light bulb 1 Open freezer drawer to replace light bulb Freezer Light Housing To access light housing 1 Remove freezer light bulb see freezer light bulbs section above 2 Press tabs securing light housing WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be rep...

Page 59: ...als to insure correct earth ground and polarization After servicing reconnect power using power switch Service Diagnostics and Procedures Disassembly Freezer Light Housing continued 3 Lower light housing and disconnect wiring 4 Replace or repair as necessary 5 Reverse procedure to reinstall Upper Freezer Bin 1 Open freezer drawer fully 2 Press the tabs on each side of upper bins 3 Remove upper bin...

Page 60: ...pper bin section page 59 2 Remove freezer door and rail assembly see freezer door and rail assembly section at left 3 Remove securing screws and left and right glide adapters 4 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on ...

Page 61: ... evaporator cover 5 Remove thermistor from thermistor cover 6 Remove evaporator cover see evaporator cover section page 61 7 Disconnect wiring 8 Repair or replace thermistor 9 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on p...

Page 62: ...s a fan motor to pull air over the evaporator coil and circulate it throughout the unit Evaporator Fan access 1 Remove upper bins see supper bin section page 59 2 Remove freezer door and rail assemblies see freezer door and rail assembly section page 60 3 Remove left and right glide adapters see glide adapter section page 60 4 Remove evaporator cover see evaporator cover section at left 5 Remove s...

Page 63: ...d rail assemblies see freezer door and rail assembly section page 60 3 Remove left and right glide adapters see glide adapter section page 60 4 Remove thermistor cover see freezer thermistor section page 61 5 Remove evaporator cover see evaporator cover section page 62 6 Remove securing screws Evaporator Fan Wiring Evaporator Fan Wiring Defrost Thermostat WARNING To avoid risk of electrical shock ...

Page 64: ...everse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconnect power using power switch Service Diagnostics and Procedures Disassembly Connector Conne...

Page 65: ...lies see freezer door and rail assembly section page 60 3 Remove left and right glide adapters see glide adapter section page 60 4 Remove evaporator cover see evaporator cover section page 61 5 Disconnect wiring and un clip thermostat 6 Repair or replace defrost thermostat 7 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical powe...

Page 66: ... 2010 Viking Preferred Service 66 Parts Location Dispenser Eschutcheon User Interface Tube Ring Lower Cover Grille Ice Chute Assembly Service Diagnostics and Procedures Disassembly ...

Page 67: ...RNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconnect power using power switch Service Diagnostics and Procedures Disassembly Lower Cover Grille Screw Eschutcheon Eschutcheo...

Page 68: ...engage dispenser tube from ice chute assembly remove grounding screw and securing screws WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconnect power using power switch Ser...

Page 69: ...iring Connections Rear View Front View WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconnect power using power switch Service Diagnostics and Procedures Disassembly Clip S...

Page 70: ... 2010 Viking Preferred Service 70 Parts Location Rear Control Board Condenser Fan Overload Relay Service Diagnostics and Procedures Disassembly ...

Page 71: ...pair or replace main control board 5 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servicing Wires removed during disassembly must be replaced on proper terminals to insure correct earth ground and polarization After servicing reconnect power using power switch Service Diagnostics and ...

Page 72: ...essor from overheating 1 Slide unit out of service Remove securing screws and lower rear cover see overload relay section at left step 1 2 Remove condenser fan securing screws and disconnect wiring 3 Repair or replace condenser fan 4 Reverse procedure to reinstall WARNING To avoid risk of electrical shock personal injury or death disconnect electrical power to unit using power switch before servic...

Page 73: ...ondition Verify operation and ohm heater Verify closure replace if needed Unit running and no lights Sabbath Mode Open circuit Take out of Sabbath Mode Replace control board Replace light switch Replace light bulb Power Problems Probable Cause Correction No power to ice maker at connector socket No continuity Determine discontinuity by tracing power No power to water valve No continuity Determine ...

Page 74: ... Water pressure Water valve Ice maker Unit or ice maker not level Adjust water fill screw at ice maker Reduce water pressure Replace water valve Replace ice maker Level ice maker or refrigerator Leaky water valve Connections Water valve Tighten connections Replace water valve Temperature Problems Probable Cause Correction Refrigerator too warm Control setting Door seal Airflow Condenser evaporator f...

Page 75: ...maker thermostat Level ice maker or unit Remove obstructions in fill tub end Remove obstructions in fill tube Replace filter Ice build up on ejector blades Hollow cubes Ice maker froze up Fill level See hollow cubes above Remove ice maker and allow to thaw Adjust water fill level Cubes falling back into mold during ejection Small cubes Fill cup displaced Check fill level Align fill cup Raised shut off a...

Page 76: ...Wiring and Schematics 76 2010 Viking Preferred Service Full Schematic ...

Page 77: ... 2010 Viking Preferred Service 77 Wiring and Schematics Wiring Diagram ...

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