ALLIANCE JT37CGI Service Manual Page 23

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M411429 23
Section 3 Troubleshooting
To reduce the risk of electric shock, fire, explosion, serious injury or death:
Disconnect electric power to the tumbler before servicing.
Close gas shut-off valve to gas tumbler before servicing.
Close steam valve to steam tumbler before servicing.
Never start the tumbler with any guards/panels removed.
Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the tumbler is properly grounded.
W002
WARNING
© Copyright, Alliance Laundry Systems LLC DO NOT COPY or TRANSMIT
23. MOTOR RUNS, TIME ON DRYING TIMER BUT NO HEAT
CHECK FOR
BROKEN OR
LOOSE WIRE AT
HARNESS PLUG
POWER OUT OF
MAIN CONTROL
THERMOSTAT
NO
CHECK THE
IGNITION
CIRCUIT
YES
POWER INTO
MAIN CONTROL
THERMOSTAT
NO
POWER ON
TERMINAL 6 OF
CONTROL RELAY
NO
POWER ON
TERMINAL 4 OF
CONTROL RELAY
NO
REPLACE
MAIN CONTROL
THERMOSTAT
LOOSE OR
BROKEN WIRE TO
MAIN CONTROL
THERMOSTAT
POWER ACROSS
COIL TERMINALS OF
CONTROL RELAY
YES
YES YES
REPLACE
CONTROL RELAY
YES
POWER ON
RED WIRE
FROM MOTOR
POWER INTO
AIRFLOW
SWITCH
POWER OUT OF
AIRFLOW
SWITCH
POWER INTO
CABINET
HIGH LIMIT
THERMOSTAT
NO YES YES YES YES
REPAIR
WIRE
REPLACE
MOTOR
CHECK FOR
LOOSE OR
BROKEN WIRE
FROM MOTOR
AIRFLOW
SWITCH
CLOSED
CHECK FOR
BROKEN WIRE
FROM
AIRFLOW SWITCH
YES NO NO NO NO
ADJUST
AIRFLOW
SWITCH
REPLACE
AIRFLOW
SWITCH
POWER OUT OF
CABINET
HIGH LIMIT
THERMOSTAT
POWER INTO
BURNER
HIGH LIMIT
THERMOSTAT
POWER OUT OF
BURNER
HIGH LIMIT
THERMOSTAT
CHECK FOR LOOSE
OR BURNED
CONNECTION
AT HARNESS PLUG
REPLACE
BURNER
HIGH LIMIT
THERMOSTAT
NO NO NO
NO
YES
YES YESYES
CHECK FOR
BROKEN WIRE
FROM CABINET
HIGH LIMIT
REPLACE
THERMOSTAT
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