Alliance Laundry Systems EAJ920*A Troubleshooting Guide download pdf (Page 22)

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Section 2

TROUBLESHOOTING

GAS DRYER

NO HEAT ANALYSIS

REPLACE INOPERATIVE

WIRING AT TERMINAL

BLOCK TO ELECTRONIC

CONTROL.

NO HEAT ANALYSIS

NO NO

DURING OPERATION AN "OP"

OR "SH" MAY BE DISPLAYED.

THIS INDICATES AN OPEN OR

SHORTED THERMISTOR.

USE DIAGNOSTIC TEST

"DRYER ON TEMPERATURE TEST".

IF "SH" OR "OP" APPEAR, DO

THE FOLLOWING CHECKS:

– CHECK WIRING AT THERMISTOR.

– REPLACE THERMISTOR.

REPLACE INOPERATIVE

LIMIT THERMOSTAT.

YES YES

DOES THE

THERMISTOR

TEMPERATURE

CHECK OUT ACCORDING

TO THE DIAGNOSTIC

TEST?

YES

OPEN LOWER

FRONT PANEL AND

CHECK GLOW BAR.

IS THE GLOW BAR

ACTIVATING?

(1) (2)

(3)

CHECK

VOLTAGE AT

GREY "FS-1"

TO "H4-3",

IS THERE

VOLTAGE?

CHECK

VOLTAGE AT

GAS VALVE

PINK "2" TO NEUTRAL,

IS THERE

VOLTAGE?

CHECK

VOLTAGE AT

PINK "FS-2"

TO "H4-3",

IS THERE

VOLTAGE?

AFTER CHECKING FOR CORRECT

WIRING, REPLACE INOPERATIVE

THERMISTOR.

REPLACE INOPERATIVE

GLOW BAR.

REPLACE ELECTRONIC

CONTROL BOARD.

AFTER CHECKING WIRING

AT GAS VALVE, REPLACE GAS

VALVE OR GAS VALVE COILS.

NONO

YES

(#) NUMBERS NEXT TO VOLTAGE CHECKS

CORRESPOND TO THE LOCATIONS MARKED

ON THE WIRING SCHEMATIC.

D208S

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 30 31

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