Master Lock B35CEH, B70CEH, B150CEH, B100CEH Heater with NON-FUSED Ignition Control Assembly only

OWNER’S MANUAL

TROUBLESHOOTING

Continued

FAULT CONDITION	POSSIBLE CAUSE			REMEDY
Motor starts and runs but heater does not	1.	No fuel in tank		1.	Fill tank with kerosene
ignite (ON/OFF switch light remains on)	2.	Pump pressure incorrect		2.	See Pump Pressure Adjustment, page 10
	3.	Dirty fuel filter		3.	See Fuel Filter, page 8
	4.	Obstruction in nozzle assembly		4.	See Nozzle Assembly, page 11
	5.	Water in fuel tank		5.	Drain and flush fuel tank with clean
					kerosene. See Storing, Transporting, or
					Shipping, page 6
			WARNING: High voltage!
	6.	Bad electrical connection between		6.	Check electrical connections. See Wiring
		ignitor and ignition control assembly			Diagram, page 23
	7.	Defective ignitor		7.	Replace ignitor, see page 9
	8.	Defective ignition control assembly		8.	Replace ignition control assembly
Heater ignites but ignition control assembly	1.	Pump pressure incorrect		1.	See Pump Pressure Adjustment, page 10
shuts heater off after a short period of time	2.	Dirty air intake, air output, and/or lint		2.	See Air Output, Air Intake, and Lint
(ON/OFF switch light remains on)		filter			Filters, page 10
	3.	Dirty fuel filter		3.	See Fuel Filter, page 8
	4.	Obstruction in nozzle assembly		4.	See Nozzle Assembly, page 11
	5.	Photocell assembly not properly		5.	Make sure photocell boot is properly
		installed (not seeing the flame)			seated in bracket
			WARNING: High voltage!
	6.	Dirty photocell lens		6.	Clean photocell lens
	7.	Bad electrical connection between		7.	Check electrical connections. See Wiring
		photocell and ignition control assembly			Diagram, page 23
	8.	Defective photocell		8.	Replace photocell
	9.	Defective ignition control assembly		9.	Replace ignition control assembly

HEATER WITH NON-FUSED IGNITION CONTROL ASSEMBLY ONLY

ATTENTION: The ignition control has built-in protection against current overloads.

Use the light in the ON/OFF switch to troubleshoot the fault condition.

FAULT CONDITION POSSIBLE CAUSE REMEDY

ON/OFF switch light does not come on 1. No power to heater when switch is turned to the ON () position

and heater does not start

1.Verify that power cord is plugged into an electrical outlet and that the circuit breaker in the electral panel is reset

		WARNING: High voltage!
2.				wiring and connections.
	Bad electrical connections	2.	Check electrical
			See Wiring Diagram, page 23
3.	Electrical short in ignitor	3.	Check ignitor wiring. If no problems are
			found, replace ignitor (see page 9)
ON/OFF switch light comes on when switch 1.	Electrical short in motor	1.	Check motor wiring. If no problems are
is turned to the ON () Position but turns off			found, replace motor
after five seconds
		WARNING: High voltage!

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