Operator`s manual

23
troubleshooting
Problem 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 correct, 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.
Troubleshooting
TROUBLESHOOTING CHART