BE Pressure supply 125,000 BTU LPG Forced Air Heater HL25F - Manuel (Page 10)

10
Never Leave Heater UNatteNded
wHiLe bUrNiNg, coNNected to a
power soUrce or wHiLe
coNNected to a fUeL soUrce.
Symptom Possible Case Solution
Fan does not turn when
electricity is connected 1. No electric power to heater.
2. Blades of fan in contact with heater
housing.
3. Fan blades bent.
4. Fan motor defective. 1. Check current at outlet. If voltage is cor-
rect, inspect extension and power cords for
cuts,frays or breaks.
2. Check housing for damage. Be sure there
are no dents in the housing obstructing the
fan.
3. Straighten all fan blades.
4. Replace Motor Assembly.
Heater will not fire (ignite) 1. No spark at module.
2. Incorrect spark gap.
3. Corroded electrode. 1. Inspect module wire. Re-attach, or tighten
if loose. Inspect Spark module, and replace
if necessary. Inspect all other electrical
components.
2. Set plug gap to 0.16” (4mm).
3. Replace spark plug (Multi-Bracket
Assembly).
Heater stops running by
itself 1. Temperature inside heater is too
high, causing thermal switch to shut
down operation.
2. Damaged control valve.
3. Dust or debris accumulated in
heater. 1. If heater input or output is restricted, the
inside temperature can become too hot.
Keep the areas in front and behind heater
clear of obstructions.
2. Replace control valve (Valve Assembly).
3. Clean inside of heater.