Desa RV125EDI Trouble- Shooting, Observed Fault, Possible Cause, Remedy, See Fuel Filter

TROUBLE- SHOOTING

!WARNING

Never service heater while it is plugged in, operating, or hot. Severe burns and electrical shock can occur.

OBSERVED FAULT

Heater ignites, but flame-out control shuts off heater after a short period of time.

POSSIBLE CAUSE

Wrong pump pressure

Dirty air output, air intake and lint filters

Dirty fuel filter

REMEDY

See Pump Pressure

Adjustment, page 11.

See Air Output, Air Intake and Lint Filters, page 11.

See Fuel Filter,

page 12.

	Dirt in nozzle	See Nozzle, page 13.
	Dirty photocell lens	Clean photocell lens.
	Bad flame-out control	Replace flame-out control.
Heater will not	Wrong pump pressure	See Pump Pressure
ignite, but motor runs		Adjustment, page 11.
for a short period of	Carbon deposits on spark	See Spark Plug, page 12.
time.
	plug and/or improper
	gap
	Dirty fuel filter	See Fuel Filter,
		page 12.
	Dirt in nozzle	See Nozzle, page 13.
	Water in fuel tank	Drain and flush fuel
		tank with clean
		kerosene. See Storage,
		page 8.
!	WARNING: High Voltage!
	Electronic ignitor not	Make sure electronic ig-
	grounded	nitor mounting is tight.
	Bad electronic	Replace electronic
	ignitor	ignitor.

Motor does not start when heater is plugged in, fan turns slowly or does not turn.

Flame-out control not reset	Reset flame-out control
	button (see Figure 5,
	page 7).
Binding pump rotor	If fan is hard to
	turn, see Pump Rotor,
	page 14.

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