Lincoln 1100 Series Manuel D’Utilisation
TROUBLE SHOOTING GUIDE
ELECTRIC OVENS
MODEL 1104
380/220 VAC
THREE PHASE
50 HZ
MODEL 1105
415/240 VAC
THREE PHASE
50 HZ
MODEL 1106
240 VAC
SINGLE PHASE
50 HZ
REFER TO PROPER SCHEMATIC FOR IDENTIFIED COMPONENTS
SYMPTON
POSSIBLE CAUSE
EVALUATION
Oven fan will not run
Incoming Power Supply
Check circuit breakers. Reset if required.
Call Power Co. if needed.
Fuse, 1 Amp,
Check, replace if necessary.
Fuseholder
Check, replace if necessary.
Switch, Main Fan
Check for continuity between switch terminals.
Transformer, Control
120 VAC ± 10% should be present
at secondary of transformer. If proper voltage is not
present, check transformer primary for proper input.
Replace as needed.
Main Fan Relay
Check continuity to 120 VAC coil. Check
for power to relay coil (120 VAC). Check for 220/240
VAC to the relay terminals. Check, replace
if necessary.
Fuse 10 A. Main Fan
Check, replace if necessary.
Fuse Holder
Check, replace if necessary.
Main Fan Motor
Check for opens, shorts, or grounds.
WITH POWER OFF: Turn fan blade to
check for locked rotor.
Capacitor
Check for opens, shorts, or grounds.
No control box cooling
Check for main fan operation. If not operating, refer
to “Oven fan will not run”.
Cooling Fan Motor
120 VAC should be present at the fan motor. If
voltage is present, check for opens or shorts.
WITH POWER OFF: Check for locked rotor
on fan motor.
No main fan cool down
Cool Down Thermostat
Check cool down thermostat (thermostat
closes at 160°F and opens at 140°F).
Check for power (220/240 VAC) at cool down thermo
stat. With cool down thermostat preheated, check for
continuity. If switch is open, replace.
Oven will not heat
Main Fan Motor
Check for main fan operation. If it is not
operating, refer to “Oven fan will not run”.
High Limit Thermostat,
Terminals are normally closed (open at
190°F). If open, reset the thermostat and
test for proper operation. If it will not reset and hold,
then replace.
Impinger II - 1100 Series Service Manual - International
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