Lincoln IMPINGER 1100, Руководство по обслуживанию

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Impinger II –1100 Series Service Manual - Domestic 24
TROUBLESHOOTING GUIDE 1130 THRU 1133 / 1160 THRU 1163
ELECTRIC OVENS
MODEL 1130, 1160 / 120/208 VAC / SINGLE PHASE / 60 HZ
MODEL 1131, 1161 / 120/240 VAC / SINGLE PHASE / 60 HZ
MODEL 1132, 1162 / 120/208 VAC / THREE PHASE / 60 HZ
MODEL 1133, 1163 / 120/240 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.
NOTE: On Models 1160, 1161, 1162 and 1163,
disconnect any accessory from receptacle in the rear
of the oven and check for shorts or overloads.
Fuses, 10 Amp, Check, replace if necessary
Fuseholder Check, replace if necessary
High Limit Thermostat, Oven
Cavity
Terminals are normally closed. If open, reset the
thermostat and test for proper operation. If it will not
reset and hold, replace thermostat.
Switch, Main Fan Check for continuity between switch 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 terminal #1 to neutral on 20
minute Time Delay Relay. If no voltage is present,
trace wiring back to 10A fuse. If voltage is present
at terminal #1, check for 120 VAC at terminal #2 to
neutral. If no voltage is present, and oven start relay 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 approx. 20 minutes, replace
the timer.
Oven Fan Relay Check if relay is operating and that the contacts
remain closed during the 20 minute cool down.
Main fan runs after 20
minute cool down
Oven Start Relay Contacts should open when main fan switch is turned
off.
20 Minute Time Delay 120 VAC at terminal #2 should discontinue
approximately 20 minutes after main fan is switched
off. If the oven start relay contacts are open, and the
voltage continues at terminal #2 of the 20 minute
timer, for more than 20 minutes, replace the timer.
Oven Fan Relay Check to insure that the contacts are opening after the
coil is de-energized
20 Minute Time Delay NOTE
: ON/OFF operation of the fan switch will set the
timer to 20 minutes. If the timer is accidentally reset,
turn off main breaker for 15 seconds to cancel