M413487
19
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
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CYLINDER TURNS, BUT NO HEAT (continued)
120 VOLTS PRESENT AT OUTPUT
TERMINAL OF AIRFLOW SWITCH
YES
NO
CHECK FOR BROKEN OR LOOSE WIRE
TO STOVE HIGH LIMIT THERMOSTAT
120 VOLTS PRESENT AT INPUT
TERMINAL OF AIRFLOW SWITCH
YES
NO
REPLACE AIRFLOW SWITCH
120 VOLTS PRESENT AT OUTPUT
TERMINAL OF EXHAUST HIGH LIMIT
THERMOSTAT
YES
NO
CHECK FOR BROKEN OR LOOSE WIRE
TO AIRFLOW SWITCH
120 VOLTS PRESENT AT INPUT
TERMINAL OF EXHAUST HIGH LIMIT
THERMOSTAT
YES
NO
REPLACE EXHAUST HIGH LIMIT
THERMOSTAT
120 VOLTS PRESENT ON
RED WIRE OF FAN MOTOR
YES
NO
CHECK FOR BROKEN OR LOOSE WIRE
TO EXHAUST HIGH LIMIT THERMOSTAT
120 VOLTS PRESENT ON
BROWN WIRE OF FAN MOTOR
YES
NO
REPLACE FAN MOTOR
120 VOLTS PRESENT ON OUTPUT
TERMINAL OF FAN CONTACTOR AUX
CONTACT
YES
NO
CHECK FOR BROKEN OR LOOSE WIRE
TO FAN MOTOR
120 VOLTS PRESENT ON INPUT
TERMINAL OF FAN CONTACTOR AUX
CONTACT
YES
NO
REPLACE FAN CONTACTOR
CHECK FOR BROKEN OR
LOOSE JUMPER WIRE TO CONTACTOR
CONTACTS
