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01/09

FOR SERVICE TECHNICIAN’S USE ONLY

PART NO. W10198666B

TECH SHEET - DO NOT DISCARD

PAGE 12

P8-2

GND

L1 LINE – BK

BK

LBU

P8-4

P8-3

P9-1

P8-5

DOOR

NEUTRAL

MOTOR

MTR CS

MOIST.

MOIST RTN

MODEL

MODEL RTN

P14-5

P14-3

P14-6

R-W

R-W

BK-W

HEATER RELAY 1

V

HEATER RTN

N.O.

COM

BK

P9-2

BK

L1

W

W – NEUTRAL N

T

W

5M

6M

3M

BU

BELT

SWITCH

MAIN

3.3–3.6

START

2.7–3.0

OUTLET THERMISTOR

10 k

2M

1M

R

R-W

TF2

NC

1V

2

1

IG

IGR

50–500

3

4

FS1

FS2

VALVE

MOV

HOLD

ASSIST

MAIN

IGNITOR

VALVE
NO. 1

VALVE
NO. 2

FLAME SENSOR

P2-1 VDD
P2-2 DATA
P2-3 VSS

THERMAL FUSE

196°F (91°C)

BK

(0.25 TERMINAL)

R

R

G-Y

P14-1

P14-2

N.C.

N.C.

LBU

120 VOLTS

4M

DRIVE MOTOR

1/3 H.P.

DOOR

SWITCH

G-Y

Y-R

P13-1

P13-2

P14-4

Y-R

SENSOR

G-Y

SENSOR MOVS

Y-R

BK

TEMP.

TEMP RTN

THERMAL

CUT-OFF

352°F (178°C)

MACHINE

CONTROL

ELECTRONICS

NC

NO

W

BU

LBU

TF1

(0.25 TERMINAL)

CONSOLE
ELECTRONICS

P005-3 VDD

P005-2 DATA

P005-1 VSS

SERIAL
COM

BK

R

HIGH LIMIT

THERMOSTAT

255°F (124°C)

P8-2

GND

R

CENTRIFUGAL

SWITCH

2M

1M

5M

6M

3M

R – LINE L2

W

DOOR
SWITCH

W – NEUTRAL N

T

LBU

LBU

W

P8-4

P8-3

P9-1

P8-5

BK-W

THERMAL FUSE

196°F (91°C)

4M

DRIVE MOTOR

1/3 H.P.

MAIN

3.3–3.6

START

2.7–3.0

SENSOR

DOOR

NEUTRAL

MOTOR

MTR CS

MOIST.

MOIST RTN

MODEL

MODEL RTN

OUTLET TEMP.

OUTLET

TEMP. RTN

MACHINE

CONTROL

ELECTRONICS

Y-R

P13-1

P13-2

P4-4

P4-5

P4-3

P4-6

R

OUTLET THERMISTOR

10 k

P9-2

L1

BR

L1 LINE – BK

V

HEATER RTN

N.O.

COM

BK

BK

BK

R

R-W

NC

HIGH LIMIT

THERMOSTAT

295°F (146°C)

THERMAL CUT-OFF

352°F (178°C)

HEATER

7.8–11.8

DRUM LAMP

G-Y

P4-2

INLET

TEMP. RTN

R

240 VOLTS

120 VOLTS

P2-1 VDD
P2-2 DATA
P2-3 VSS

CONSOLE
ELECTRONICS

BELT

SWITCH

HEATER RELAY 1

G-Y

G-Y

SENSOR MOVS

Y-R

Y-R

BK

W

P8-1

SERIAL
COM

INLET TEMP.

P4-1

R

R

R

BU

NC

NO

INLET THERMISTOR

50 k

COMBINED PART

R-W

W

(0.25 TERMINAL)

(0.25 TERMINAL)

P005-3 VDD

P005-2 DATA

P005-1 VSS

R

NEUTRAL
TERMINAL
LINKED TO
CABINET

LAMP LOAD

5

BR

BK

DRUM LAMP

P8-1

CENTRIFUGAL

SWITCH

LBU

+5 V

Gnd

N.C.

P003-1

P003-2

P003-3

P5-1 VDD

P5-5 DATA OUT

P5-8 12 VDC

P5-2 DATA IN
P5-3 VSS
P5-4 STROBE

P5-6 CLOCK
P5-7 BUZZER

+5 V

Gnd

N.C.

P003-1

P003-2

P003-3

P5-1 VDD

P5-5 DATA OUT

P5-8 12 VDC

P5-2 DATA IN
P5-3 VSS
P5-4 STROBE

P5-6 CLOCK
P5-7 BUZZER

5400 W

FILTER

MOV

BK

W

BK

W

LAMP LOAD

FILTER

MOV

ELECTRIC DRYER WIRING DIAGRAM

IMPORTANT:

Electrostatic (static electricity) discharge may cause

damage to machine control electronics. See page 1 for details.

GAS DRYER WIRING DIAGRAM

LBU

Summary of Contents for WED9200SQ1

Page 1: ...urn off then stay on with 8 88 displayed Continue with diagnostics 4 If entry into Diagnostic Test Mode is unsuccessful choose a different button except Pause Cancel and Controls Lock Unlock and repeat step 2 If no indicators come on after repeating step 2 using a different button go to TEST 1 page 4 DIAGNOSTIC Active Fault Codes If there is an active fault code it will be flashing in the display ...

Page 2: ...ted to indicate the air flow range corresponding to the number displayed The More LED will be illuminated for air flow readings above 40 cfm The Normal LED will be illuminated for air flow readings between 29 and 40 cfm The Less LED will be illuminated for air flow readings less than 29 cfm If air flow value is low Less LED is lit check to make sure the lint screen is clean the door seal is in pla...

Page 3: ...stor is shorted This fault code appears ONLY when in the Diagnostic Test Mode See TEST 4a page 7 F 26 Motor Drive System Failure F 26 flashes if there is a motor drive system failure See TEST 3 page 5 F 28 Moisture Sensor Open F 28 flashes if the moisture sensor strip is open This fault code appears ONLY when in the Diagnostic Test Mode See TEST 5 page 8 F 29 Moisture Sensor Shorted F 29 flashes i...

Page 4: ...OSTIC Console Buttons and Indicators page 1 to verify repair 13 If indicators still do not light perform TEST 2 page 5 GAS DRYER 1 Unplug dryer or disconnect power 2 Remove the cover plate from the top right corner of the back of the dryer See figure 3 3 Check that the power cord is firmly connected to the dryer s wire harness See figure 5 4 Access the machine control electronics without disconnec...

Page 5: ...on Thermal fuse no Belt belt switch Drive motor Centrifugal switch Door switch Machine control electronics See ESD information page 1 1 Unplug dryer or disconnect power 2 Access the machine control electronics and measure the resistance across P8 4 and P9 1 See Accessing Removing the Electronic Assemblies page 9 If resistance across P8 4 and P9 1 is in the range of 1 to 6 Ω replace the machine con...

Page 6: ... cut off high limit thermostat and heater If connections look good check for continuity across each of these components Replace the heater if it is electrically open Replace both the thermal cut off and inlet thermistor high limit thermostat assembly if either the thermal cut off or the high limit thermostat is electrically open 5 If no open circuit is detected remove the P4 connector then measure...

Page 7: ...let temperature using an inlet thermistor that is part of the high limit thermostat assembly 1 Activate the Diagnostic Test Mode See procedure on page 1 2 If F 24or F 25is a displayed error in the Diagnostic Test Mode the inlet thermistor or wire harness is either open or shorted Unplug dryer or disconnect power Check wire connections at the machine control electronics and inlet thermistor See Acc...

Page 8: ...If a small resistance is not measured continue with step 8 8 Measure the resistance across each of the outermost contacts and the center terminal ground connection If a resistance less than infinity is measured replace the sensor harness 9 If moisture sensor diagnostic test passes check the thermistor Perform TEST 4a page 7 If the problem persists after replacing the moisture sensor and thermistor...

Page 9: ...ber appears in the display If any of the preceding conditions are not met 1 Unplug dryer or disconnect power 2 Check that the wires between the door switch and machine control electronics are connected See figure 13 for switch location and see Accessing Removing the Electronic Assemblies at right If the connections are OK replace the wire and door switch assembly and retest If wire and door switch...

Page 10: ...the machine control 2 Remove the screw that fastens the assembly to the machine control mounting bracket figure 16 page 9 and the two screws that fasten the console assembly to the dryer figure 18 5 The console mounting bracket is fastened to the console front panel with two latches at both sides of the console assembly Unlatch the bracket gently with a screwdriver while pulling the mounting brack...

Page 11: ...698 6047486 6199300 6446357 6597144 6604298 6685241 6732447 6784673 6819255 D314261 D314262 D457991 D457992 D495453 REMOVING THE BACK PANEL 1 Unplug dryer or disconnect power 2 Remove the two rear screws from the top panel and slide the top panel to the rear to remove 3 Remove the cover plate disconnect the power cord and remove ground screw 4 Remove the metal spring clip between the back panel an...

Page 12: ...IVE MOTOR 1 3 H P MAIN 3 3 3 6 START 2 7 3 0 SENSOR DOOR NEUTRAL MOTOR MTR CS MOIST MOIST RTN MODEL MODEL RTN OUTLET TEMP OUTLET TEMP RTN MACHINE CONTROL ELECTRONICS Y R P13 1 P13 2 P4 4 P4 5 P4 3 P4 6 R OUTLET THERMISTOR 10 k P9 2 L1 BR L1 LINE BK HEATER V HEATER RTN N O COM BK BK BK R R W NC HIGH LIMIT THERMOSTAT 295 F 146 C THERMAL CUT OFF 352 F 178 C HEATER 7 8 11 8 DRUM LAMP G Y P4 2 INLET TE...

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