Kenmore 795.851**.900, Service Manual

Page 1: ...IC GAS DRYER SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY IN ORDER TO PROPERLY DIAGNOSE PROBLEMS AND TO SAFELY PROVIDE QUALITY SERVICE ON THESE DRYERS Website http sears com MODEL 795 851 900 795 921 900 ...

Page 2: ...JUNE 2009 PRINTED IN KOREA P No MFL62119904 ...

Page 3: ...blems are present everywhere ESD may damage or weaken the electronic control assembly The new control assembly may appear to work well after repair is finished but failure may occur at a later date due to ESD stress Use an anti static wrist strap Connect wrist strap to green ground connection point or unpainted metal in the appliance OR Touch your finger repeatedly to a green ground connection poi...

Page 4: ...CAL SUPPLY 26 10 2 TEST 2 THERMISTOR TEST MEZSURE WITH POWER OFF 29 10 3 TEST 3 MOTOR TEST 30 10 4 TEST 4 MOISTURE SENSOR 31 10 5 TEST 5 DOOR SWITCH TEST 32 10 6 TEST 6 HEATER SWITCH TEST ELECTRIC TYPE 33 10 7 TEST 7 GAS VALVE TEST GAS TYPE 34 10 8 TEST 8 SEMI CONDUCTOR 35 10 9 TEST 9 MOTOR ASSEMBLY DC PUMP 35 10 10 TEST 10 GENERATOR ASSEMBLY 36 11 CHANGE GAS SETTING NATURAL GAS PROPANE GAS 37 12 ...

Page 5: ... regarding detailed information Specifications are subject to change by manufacturer See page 7 See page 8 Size 27 X 30 X 38 7 inch Dryer capacity IEC 7 4 cu ft Weight 136 lbs Pedestal 1 each Purchased Separately Stacking kit 1 each Purchased Separately ACCESSORIES See page 6 Dryer rack 1 each ...

Page 6: ... No of Dry Levels Reversible Door Drum Dryer Rack Control Lock Interior Light Product WxHxD Sensor POWER SUPPLY Material Finish Chromate 120V 240V 60Hz 26A 250W 4 5A 5400W 22 5A 15 W 0 2A 13 W 0 11A x 2 1100W 9 2A 2 4W 0 15A Electronic 7 4 cu ft 136 155 7 14 8 5 5 Available Available Available Stainless Steel Available Available Available 27 x 42 3 4 x 28 1 3 Packing WxHxD 29 1 2 x 44 3 4 x 30 3 4...

Page 7: ...TALLATION INSTRUCTIONS 6 Dryer Rack Installation Instructions Open the door Hold the dryer rack with both hands Put the dryer rack into the drum Check and be sure that the front of the rack is properly seated behind the lint filter ...

Page 8: ...tacking kit Push the front rail back against the stops on the side brackets Do not use a stacking kit with a gas dryer in potentially unstable conditions like a mobile home Stacking Kit Installation Instructions Place the washer firmly on a stable even and solid floor as product installation instructions describe in the owner s manual Do not attempt this alone At least two people are required to l...

Page 9: ...mbly must be placed on a solid sturdy level floor for proper operation Insert the T clip of the 4 retainers into the dryer base as shown Press up on the back of the clip and pull outward to lock into place Place the dryer on the pedestal Make sure the front and back feet are in the correct positions The dryer feet will fit into the innermost positions as shown Make sure the screws on the pedestal ...

Page 10: ...wires a hook shape Then put the hooked shape end of the wire under the screw of the terminal block hooked end facing rightward and pinch the hook together and screw tightly Use the instructions under option 1 if your home homehas a 4 wire receptacle NEMA type 14 30R If this type is available at your home you will be connecting to a fused disconnect or circuit breaker box 1 Connect neutral wire whi...

Page 11: ...f the wire under the screw of the terminal block hooked end facing rightward and pinch the hook together and screw tightly cm 31 2 8 6 cm 1 2 5 cm 5 12 7 cm 1 2 5 cm 3V 3V2 8 9 cm 8 9 cm 3 wire connection Direct wire 1 Connect the neutral wire white of the power cord to the center terminal block screw 2 Connect the red and black wires to the left and right terminal block screws 3 Connect the groun...

Page 12: ...ordinances permit the connection of a frame grounding conductor to the neutral wire use these instructions If your local codes or ordinances do not allow the connection of a frame grounding conductor to the neutral wire use the instructions under Section 3 Optional 3 wire connection 1 Connect the neutral white or center wire B to the center silver colored screw A and tighten securely 2 Connect the...

Page 13: ...tor 4 Tighten all connections securely Turn on gas and check all pipe connections internal external for gas leaks with a non corrosive leak detection fluid 5 For L P Liquefied Petroleum gas connection refer to section on Gas Requirements For further assistance refer to section on Gas Requirements 1 New Stainless Steel Flexible Connector Use only if allowed by local codes Use Design A G A Certified...

Page 14: ...n be adjusted by users HIGH MID HIGH COTTON TOWELS PERM PRESS LOW Normal 36min Saturation 52 3 5min 47 5 LOW Normal 32min Saturation 52 3 5min 38 5 Normal 55min Saturation 66 4 5min 47 5 MEDIUM NORMAL Normal 41min Saturation 60 4 5min 47 5 HIGH SPEED DRY 25min Saturation 70 5 5min 47 5 AIR DRY 30min Saturation No heater N A N A Normal 54min Saturation 68 4 5min 3Hr 3Hr Off Time 6min On Time 10sec ...

Page 15: ... Heater case Hi limit Electric type 3 Outlet Thermostat Auto reset Check Top Marking N85 Measure resistance of terminal to terminal Open at 185 9 F 85 5 C Close at 149 9 F 65 5 C Same shape as Thermal cut off Resistance value Resistance value 5Ω Blow housing Safety Electric type 4 Lamp holder Measure resistance of terminal to terminal Resistance value 80Ω 100Ω 6 Idler switch Measure resistance of ...

Page 16: ... C 58 F 104F 10 40 C Resistance value 10 Heatercase Hi limit Electrictype 9 Motor See Page 13 10 Gas valve valve 1 valve 2 Measure resistance of the following terminal Valve 1 terminal Valve 2 terminal Resistance value 2 3k Resistance value 2 3 2 7k Gastype 11 Igniter Measure resistance of terminal to terminal Resistance value 100 800 Gastype 12 Frame Detect Measure resistance of terminal to termi...

Page 17: ... terminal Open at 203 7 F 95 5 C Close at 158 9 F 70 5 C Resistance value Continuity 1Ω Gas type Gas funnel 14 Outlet Thermostat Manual reset Check Top Marking N100 Measure resistance of terminal to terminal Open at 212 12 F 100 7 C Manual reset If thermal fuse is open must be replaced Resistance value Continuity 1Ω Gas type Gas funnel ...

Page 18: ... On Off by Centrifugal Switch STOP MODE When Motor does not operate RUN MODE Motor operates When checking Component be sure to turn Power off then do voltage discharge sufficiently NOTE Centrifugal switch Centrifugal switch Pull Drive forward ...

Page 19: ...7 WIRING DIAGRAM ELECTRIC DRYER WIRING DIAGRAM GAS DRYER WIRING DIAGRAM 18 ...

Page 20: ...RY Shirt 70 cotton 30 poly blend Except especially delicate fabrics When the lint filter or exhaust duct is clogged steam options will not give proper results For best results load articles of similar size and fabric type Do not overload The steam feeder must be filled with water up to the MAX line Otherwise an error message will be displayed If the lint filter or exhaust duct is clogged the Steam...

Page 21: ...s from nozzle when Steam Cycle starts Steam doesn t generate but no error code is shown Garments still wrinkled after STEAM REFRESH There are no creases left on garment after STEAM REFRESH Garments have static after STATIC SHIELD Garments are too damp or too dry after STATIC SHIELD Water drips from door during Steam Cycle This is normal Steam vapor is difficult to see when the door is closed Steam...

Page 22: ...ng cycle or test mode Replace the steam generator Thermistor of steam generator Steam generator thermistor open or shorted tE4 tE4 error is only displayed in the test mode Replace the steam generator Water supply pump When the pump valve is less than 10 in the test mode E5 tE5 error is only displayed in the test mode Check the connection between harness wire and connector Replace the water supply ...

Page 23: ...ed duct vents or hoses decrease efficiency in drying cloths Clogged vents can also cause fire This function alarms you when to clean the ducts When the alarm about Duct clogging is on display of the panel your duct vents should be cleaned by yourself or serviceman 9 1 Flow sensor Flow Sensor Function ...

Page 24: ...AMP DRY BEEP and the TEMP CONTROL buttons together while turning on the dryer with the POWER button i e Press together the three buttons DAMP DRY BEEP TEMP CONTROL POWER The dryer will start and run for 2 minutes while it checks temperatures At the end of this short cycle it will display the results as follows Fig 1 9 2 Installation check PRESS TOGETHER Three buttons After Installation Check If th...

Page 25: ...estricted Check for blockages and lint build up Avoid long runs of ducts or runs with multiple elbows or bends Control Panel 1 FLOW SENSE indicator light is on even when vents have been clean and even when the vents are off This is Normal After Flow sensor Recheck Full Next Cycle Flow sensor is Reset Flow sensor bars will disappear after Dryer has operated two cycle Displayed and Don t disappear B...

Page 26: ...Thermistor open tE1 PGM Ver 8E8 V008E8 V00 8E9 Elec Type 898 Gas Type Thermistor shorted tE2 AG Thermistor open or shorted tE4 Pump Error Pump runs E5 Power off OO Motor runs Displays Moisture Sensor Operation If moisture sensor is contacted with damp cloth The display number is below180innormalcondition 30 Low moisture 239 High moisture Current Temp 5 70 Current Temp 5 70 Pump AD valve 11 255 Ele...

Page 27: ...10V 125V AC YES NO Check the fuse or circuit breaker Check if the voltage measured between Connector BK2 or WH2 Black Wire Linked to the Controller and WH1 White Wire Is 110 125V YES NO 1 1 2 BK2 or WH2 WH1 BK WH Check if Power Cord is properly connected Reconnect the controller Replace controIler Check if the Controller wire is disconnected Check if Terminal Block and Power Cord are connected Che...

Page 28: ... C Turn on Burner Temperature Control below 52 4 C Only Turn on Heater1 on on O O O O on off off on on on Low Extra Low PCB ASSEMBLY LAYOUT Low Extra Low Tab Relay 2 Heater 1 Heater 2 Remark Connector Housing Black Check the Matching color Between Harness wire and Tab Relay Black Housing Black Tab Relay Check the Matching color Between Harness wire and Tab Relay White Housing White Tab Relay White...

Page 29: ...on White PCB condition Of operation In case of power failure Table1 1 2 5 Table2 1 Please check the Connection of 2 Status Table of Connection In case of power failure Table1 4 please check the Connection of 2 Status Table of Connection Because improper Connection of the equipment dryer can be damaged of changing heater CAUTION Connector Housing Black Check the Matching color Between Harness wire ...

Page 30: ...n connector s Pin Blue Wire and Pin Orange Wire to Controller NO YES Check if Control and the 6 pin connector are properly connected Replace Controller Check Harness linking connector Take the 6 pin Connector from the Controller Table 1 Resistance for Thermistor Temperature Check if resistance is in the range of Table 1 when measuring resistance between terminals after separating Harness From Ther...

Page 31: ...ff from Motor Pulley Is resistance below 3Ω between Connector WH White wire and BL2 Yellow wire Measure while door is closed YES NO Check if Door flame presses door switch knob Check Door Switch Check Harness connection Is resistance below 3Ω between Connector BL2 Yellow wire and BL2 Brown wire NO YES Replace Control Relay check Check Controller connector Is resistance below 1Ω between terminals o...

Page 32: ...V 4 0V Over 4 0V Weight after removing from Washing Machine Damp Dry Completely dried clothes Display Value Voltage DC between 6 Pin terminal Remark Short with metal to the 6 pin connector s Pin Blue Wire and Pin Orange Wire to Controller When measuring resistance in Electric load is resistance below 1Ω YES NO When contacting cloth to Electro load 1 Is the measurement within the range of Table 2 d...

Page 33: ...ce then measure again Door switch Check Refer to Component testing NO YES 1 1 2 BK2 WH1 Door switch Check Refer to Component testing YES NO Door switch Check Refer to Component testing 1 Measure while Door is closed Check it resistance is below 2500 Ω between WH1 White wire and BK2 Connector WH1 BL2 after taking WH1 BL2 out from Controller Measure while Door is open Check it resistance is 300 60 Ω...

Page 34: ...ondition YES NO Check Motor and replace it 1 Is resistance between Heater terminal and below 18 22Ω 2 Is resistance between Heater terminal and below 18 22Ω 3 Is resistance between Heater terminal and below 9 11Ω YES NO Replace Heater Check if the value of measured resistance is below 1Ω between terminal TH2 Safety Thermostat YES NO Replace TH2 Safety Thermostat and TH3 Hi Limit thermostat Check i...

Page 35: ...S Change Valve Change Valve Check thermostat Hi limit Safety Igniter operates after 1 min Igniter becomes reddish YES NO Check Igniter Frame detect When measuring Valve 2 voltage Value is more than DC 90V 10 sec after Igniter off NO YES Check Gas connection or Gas supply When measuring Valve 1 voltage More than DC 90V YES NO If Valve 1 and Valve 2 are under DC 10V Valves are Off YES NO Power On St...

Page 36: ... and Harness Connector Check Harness linking connector Take 6pin Connector from the Controller Test 9 Motor Assembly DC Pump Caution Trouble Symptom Measurement Condition Before measuring resistance be sure to turn Power off and do voltage discharge When discharging contact the metal plug of Power cord with earth line During Diagnostic Test E5 Error occur Turn the Dryer s Power Off then measure re...

Page 37: ...ng contact the metal plug of Power cord with earth line During Steam cycle Generator Assembly is not heating During Diagnostic Test tE4 Error occur Turn the Dryer s Power Off then measure resistance Is resistance 14 3 Ω 5 between Heater terminal and YES NO Replace the Generator Assembly If measured resistance value is replace the Generator Assembly too Normal condition ...

Page 38: ...cers only Warning STEP 1 VALVE SETTING Closed Opened Full open Adjustment screw STEP 2 ORIFICE CHANGE Orifice Gas type Natural Gas Propane Gas Marking NCU PCK Shape Orifice P No 4948EL4001B 4948EL4002C Close Adjustment screw Remove 2 screws Disassemble the pipe assembly Replace Natural Gas orifice with Propane Gas orifice Kit contents Orifice Dia 1 470mm for Propane Gas Replace Label Instruction S...

Page 39: ...ALVE 1 IGNITER VALVE 2 FLAME DETECT OPEN GAS VALVE STRUCTURE Adjustment Screw GAS VALVE FLOW START KEY PUSH DRYING VALVE 1 ON VALVE 2 OFF VALVE 2 ON IGNITER ON FLAME DETECT OPEN IGNITER TEMPERATURE ABOUT GAS IGNITION FLAME DETECT CLOSE VALVE 2 OFF NO NO YES YES ...

Page 40: ...late 2 Push the top plate backward 3 Lift the top plate Disassemble and repair the unit only after pulling out power plug from the outlet 39 WARNING When you disassemble the top plate be sure to take gloves and careful plate edge Failure to do so can cause serious injury ...

Page 41: ...40 PANEL DRAWER ASSEMBLY 1 Pull out the drawer 2 Lift out the Steam feeder 3 Remove 2 screws on the control panel ...

Page 42: ...sembly upward and then forward 4 Remove 2 screws on the PWB PCB assembly main 5 Disassemble the main PWB 6 Remove 8 screws on the PWB PCB assembly display 7 Disassemble the display PWB WARNING When you disassemble the control panel be sure to take gloves and careful panel frame s edge Failure to do so can cause serious injury ...

Page 43: ...ly 3 Disassemble the door assembly 4 Remove 2 screws 5 Remove 3 screws from the top of cabinet cover 6 Disconnect the harness of door switch WARNING When you disassemble the door switch connector be sure to take gloves and careful cabinet edge Failure to do so can cause serious injury ...

Page 44: ...43 GUIDE ASM 1 Remove 3 screws on the frame body 2 Push the Guide ASM to the back side and then lift it 3 Separate 2 hoses from the pump and generator 4 Lift a pump and a generator up ...

Page 45: ...44 FRAME BODY PANEL FRAME 1 Remove 3 screws on the frame body and then disassemble the frame body 2 Remove 4 screws on the panel frame and then disassemble the panel frame ...

Page 46: ...lt from motor and idler pulleys 4 Carefully remove the drum DRUM ASSEMBLY 1 2 1 1 Disassemble the door 2 Hold the lamp shield in place while removing the screw 3 Slide the shield up and remove 4 Remove the bulb and replace with a 15 watt 120 volt candelabra base bulb 5 Replace the lamp shield and screw CHANGING THE DRUM LAMP When you disassemble the lamp connector be sure to take gloves and carefu...

Page 47: ... and attach the duct to the base Duct is a SVC part 2 1 Detach and remove a knockout at the botton left or right side as desired Right Side Vent not available on Gas dryer the order of work 3 1 Pre assemble 4 elbow with 4 duct Wrap duct tape around joint 3 2 Insert the elbow duct assembly through the side opening and connect the elbow to the internal duct ...

Page 48: ...e the top plate 2 Remove the Cabinet Cover and Tub Drum Front 3 Remove the Drum assembly 4 Remove 2 screws and cover Air guide 5 Remove the bolt and washer 1 Disassemble the top plate 2 Remove the Cabinet Cover and Tub Drum Front 3 Remove the Drum assembly 4 Remove 7 screws 5 Remove the Back Cover 6 Remove the fan 7 Disconnect the motor clamp and motor ...

Page 49: ... 1 Remove the Cover guide 2 Remove 2 screws 3 Remove the air duct 1 Disassemble the top plate 2 Remove the Cover Cabinet and Tub Drum Front 3 Remove the Drum assembly and Tub Drum Rear 4 Disconnect the Air duct from the Tub Drum Front 5 Remove the roller from the Tub Drum Front and Tub Drum Rear ...

Page 50: ...42 13 EXPLODED VIEW Description LOC NO Manual Owners G001 Tech Sheet G003 Svc Manual G004 Quick Guides G006 The following parts are not illustrated Printed materials A211 A210 A120 A140 A110 A213 ...

Page 51: ...50 13 2 Panel Drawer Assembly Guide Assembly K503 K508 K501 A090 A172 A171 A350 K507 K505 K502 A160 A170 K504 K506 A161 ...

Page 52: ...52 13 3 2 Cabinet Door Assembly Gas type A390 A700 A310 A330 A320 A530 A525 A540 A520 A600 A510 A500 A131 A300 A800 A590 A450 A410 A430 A460 A400 A420 A550 ...

Page 53: ...30 K222 K221 K350 K240 M160 M171 M170 M140 K210 K540 K230 K510 K520 K251 K360 K251 K250 K530 K600 K650 M141 M110 M250 M230 M190 M181 M150 M240 M220 K640 K560 K620 K140 K250 K550 K610 K651 M210 M180 K330 K310 K320 K340 K400 K420 K410 F200 K515 K655 K224 ...