Lincoln 1100 Series service manual Model

	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			37