Lincoln 1155-000-EA, 1154-000-EA, 1164-000-EA Troubleshooting Guide Impinger Ii Advantage

TROUBLESHOOTING GUIDE

IMPINGER II ADVANTAGE

SERIAL NUMBER 2038616 AND ABOVE (OVENS WITH PUSH BUTTON CONTROLS)

MODEL 1154-000-EA		NAT. GAS	230VAC	50 HZ.	1 PHASE
MODEL 1155-000-EA		LP GAS	230VAC	50 HZ.	1 PHASE
REFER TO PROPER SCHEMATIC FOR IDENTIFIED COMPONENTS
SYMPTOM	POSSIBLE CAUSE		EVALUATION
Oven fan will not run	Incoming power supply		Check breaker, reset if required. Check power plug to
			be sure it is firmly in receptacle. Measure incoming
			power, call power co. if needed.
	Fuse, 10 amp		Check, replace if necessary.
	Fuse holder		Check, replace if necessary.
	Hi-limit thermostat, control box		Check for voltage on both sides of switch. Terminals are
			normally closed. If open, reset and test oven for proper
			operation. If thermostat will not hold, and control box
			temperature is not exceeding 140°F (60°C), replace
			thermostat.
	Switch, main fan		With power off, check continuity between switch
			terminals. Replace as needed.
	Motor, main fan		Check for opens, shorts or grounds. With power off, turn
			fan blade to check for locked rotor.
	Capacitor		Check for shorts or grounds.
			WARNING: Capacitor has a stored charge, discharge
			before testing.
No control box cooling	Incoming power supply		Check breaker, reset if required. Check power plug to
			be sure it is firmly in receptacle. Measure incoming
			power, call power co. if needed.
	Switch, main fan		With power off, check continuity between switch
			terminals. Replace as needed.
	Cooling fan		Line voltage should now be at the cooling fan. If voltage
			is present, check motor for opens, shorts or grounds.
			With power off, check for locked rotor.
No automatic control	Incoming power supply		Check breaker, reset if required. Check power plug to
box cooling			be sure it is firmly in receptacle. Measure incoming
			power, call power co. if needed.
	Cooling fan thermostat		Check the cooling fan thermostat (thermostat closes at
			120°F and opens at 100°F). With the cooling fan
			thermostat pre-heated, check for continuity. If
			thermostat is open, replace cooling fan thermostat.
	Cooling fan		Line voltage should now be at the cooling fan. If voltage
			is present, check motor for opens, shorts or grounds.
			With power off, check for locked rotor.
Oven will not heat	Gas supply		Check for adequate gas supply and be sure that the
Serial Number			manual gas shut off valve is open. Also check flexible
2045407 & Below			gas line connection.
	Main fan		If not operating, refer to “Oven fan will not run”.
	Gas pressure switch		This switch is located inside the gas valve and should
			close when gas pressure is present.
			WITH POWER OFF: Remove 3 prong plug (on gas
			valve) and measure continuity between terminals 2 and
			3. If no continuity, check the following: Proper gas
			pressure supply to gas valve as marked on the oven
			specification plate. Check for proper adjustment of the
			gas pressure switch, 10 for Nat. gas, 27 for LP gas or
			4.5 for town gas. Check the filter in gas valve for

8 Impinger II – Advantage Digital Service Manual - International