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Impinger II – Advantage Service Manual - Domestic
8
TROUBLESHOOTING GUIDE / GAS OVENS
MODEL 1116-000-A NATURAL GAS 120 VAC 60 HZ 1 PHASE
MODEL 1117-000-A LP GAS 120 VAC 60 HZ 1 PHASE
SYMPTOM POSSIBLE CAUSE EVALUATION
Oven fan will not run Incoming Power Supply Check breakers, reset it required. Check power plug
to be sure it is firmly in receptacle. Measure
incoming power/call power company if needed.
Fuse, 10 Amp Check, replace if necessary.
Fuse Holder Check, replace if necessary.
Hi Limit Thermostat-Control
Box
Check for voltage on both sides of the switch.
Terminals are normally closed. If open, reset and
test oven for proper operation. If thermostat will not
hold and control box temperature is not exceeding
140°F (60°), replace thermostat.
Main Fan Switch Check continuity between switch terminals.
Main Fan Motor Check for opens, shorts, or grounds. WITH POWER
OFF turn fan blade to check for locked rotor.
Capacitor Check for shorts or grounds.
WARNING: Capacitor has a stored charge,
discharge before testing.
No control box cooling Incoming Power Check main circuit breakers, reset if required, call
power company if needed.
Main Fan Switch Check continuity between switch terminals
Cooling Fan 120 VAC should now be at the fan motor. If voltage
is present, check motors for shorts or opens. WITH
POWER OFF: Check for locked rotor.
No automatic control Incoming Power Supply Check circuit breakers,
box cooling reset if required. Call the power company if needed.
Cooling Fan Thermostat Check the cooling fan thermostat. (Thermostat
closes at 120°F and opens at 100°F). With the
cooling fan thermostat preheated, check for
continuity. If switch is open, replace.
Cooling Fan 120 VAC should be at the motor. If voltage is
present, check motor for shorts, opens, or grounds.
WITH POWER OFF: check for locked rotor.
Oven will not heat Gas Supply Check for adequate gas supply and closed manual
gas shut offs. Also, check flexible gas line
connection.
Main Fan If not operating, refer to "Oven fan will not run".
High Limit Oven Cavity Terminals are normally closed. If
Thermostat open, push in reset button and retest. If thermostat
will not hold for maximum oven temperature, and
oven is not exceeding temperature dial setting,
check for proper location of capillary bulb in its
spring holder. If above checks okay, replace hi-limit
thermostat.
Centrifugal Switch Check for 120 VAC at lead #9
of Main Fan Motor (located at 6 pin connector in raceway near the main
fan motor) to neutral. If no voltage is present, and
motor is running, replace motor.