Lincoln 1100 Series Manuel D’Utilisation

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TROUBLE SHOOTING GUIDE
ELECTRIC OVENS
MODEL 1134
220/380 VAC
THREE PHASE
50 HZ
MODEL 1135
240/415 VAC
THREE PHASE
50 HZ
MODEL 1136
240 VAC
SINGLE PHASE
50 HZ
MODEL 1150
220/380 VAC
THREE PHASE
50 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.
Fuse, 10 Amp, Main Fan
Check, replace if necessary.
Fuseholder
Check, replace if necessary.
Fuse, 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 propeoperation.  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 ispresent,
and oven start relay is closed, replace Time Delay.
Main Fan Relay
Check continuity to 120 VAC coil.  Check
for power to relay coil (120 VAC).  Check for 220/240
VAC to relay terminals.
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 approx. 20
minutes, replace the timer.
Impinger II - 1100 Series Service Manual - International
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