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 fi lters

Dirty fuel fi lter

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 fi lter

See Fuel Filter,

 

 

page 12.

 

Dirt in nozzle

See Nozzle, page 13.

 

Water in fuel tank

Drain and fl ush 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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Desa BV125EDI owner manual TROUBLE- Shooting, Remedy