12
RMC-FA300PF
ProFitter
TM
Operating Instructions and Parts Manual
Symptom
Possible Cause(s)
Corrective Action
Fan does not turn when
electrical connection is
made
Heater will not fire
Heater quits while
running
1. No electric power to heater
2. Fan blade contacts inside of heater
housing
3. Fan blade(s) bent
4. Fan motor defective
1. No spark at igniter
2. Improper spark gap
3. Bad electrode
1. Internal temperature too high causing
limit switch to shut down operation
2. Damaged control valve
3. Dust or debris build-up inside of heater
1. Check current to electric outlet. If voltage is
correct, check power cord and extension cord for
cuts and breaks
2. Be sure that housing is not damaged. Make sure
there are no obstructions to the fan
3. Straighten blade(s) to match others
4. Replace motor
1. Check igniter wire. Reattach or tighten if loose.
Check spark module. Replace if necessary. Check
all electrical components
2. Set gap to 0.08” (2 mm)
3. Replace spark plug
1. If the heaters output is restricted, internal tem-
pera ture becomes too high. Move heater away
from any obstructions
2. Replace control valve
3. Clean inside of heater
Troubleshooting Chart
Always be sure to follow proper maintenance procedures, by cleaning the heater once per month during regular
usage, and check spark gap at least once per season.
NEVER LEAVE THE HEATER
UNATTENDED WHILE BURNING!
ProFitter
TM
Propane Construction Heater
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