Lincoln 1100 Series Manuel D’Utilisation

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TROUBLESHOOTING GUIDE ELECTRIC OVEN
MODEL 1151   200 VAC   THREE PHASE   60 HZ
REFER TO PROPER SCHEMATIC FOR INDENTIFIED COMPONENTS
SYMPTON
POSSIBLE CAUSE
EVALUATION
Oven fan will not run
Incoming Power Supply
Check circuit breakers.  Reset if required.
Call Power Co. if needed.
Fuses,10 Amp,Main Fan
Check, replace if necessary.
Fuseholder
Check, replace if necessary.
Fuses, 1 Amp,
Check, replace if necessary.
Transformer
Fuseholder
Check, replace if necessary.
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.
Thermostat, High Limit,
Terminals are normally closed.  If open,
Oven Cavity
reset the thermostat and test for proper
operation.  If it will not reset and hold,
replace thermostat.
Switch, Main
Check for continuity between switch
Fan
terminals.
Relay, Oven Start
Check for continuity at relay coil, and
visually check for pull in of contacts.
20 Minute Time Delay
Check for 120 VAC at terminals #1 to
neutral on 20 minute Time Delay Relay.
If no voltage is present, trace wiring
back to power source.  If voltage is
present at terminal #1, check for 120
VAC at terminal #2 to neutral.  If no voltage is
present, and Main Fan Switch is closed, replace
Time Delay.
Main Fan Relay
Check for 120 VAC to coil of the Relay.
If no voltage is present, trace wiring
back to 20 minute Time Delay Relay.  If
voltage is present, check to insure
contacts are closing.
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 main fan cool down
20 Minute Time Delay
Check for 120 VAC at terminal #2 to
neutral while oven is “on”.  Turn off the
main fan switch, 120 VAC should
continue to be present for 20 minutes.
If voltage is not present for
approximately 20 minutes, replace the
timer.
Impinger II - 1100 Series Service Manual - International
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