TROUBLESHOOTING
HEATER FAILS TO START
(MOTOR DOES NOT RUN)
CAUSE REMEDY
Fuse defective or burnt out....................................................................Check fuse; replace if necessary.
Electrical connection(s) defective.........................................................Check all electrical connections, including ground;
repair any defects.
Full voltage not available at heater .......................................................Check for power at the heater: at least 11 VDC with
heater turned on. Trace system to find any fault(s).
Motor defective .....................................................................................Check motor. Replace if necessary.
MOTOR RUNS, BUT NO COMBUSTION
CAUSE REMEDY
Fuel supply blocked ..............................................................................Check fuel supply by loosening the fitting on the out-
side of the heater and checking for propane odor. If
propane odor is present, pull off the igniter wire
completely and remove the igniter. Try to start the
heater and listen for the solenoid click. Check for
the odor of propane in the burner. If propane odor
is present at bulkhead fitting, but not the burner
head, the solenoid valve is defective or contaminated
with some foreign object. The solenoid valve can
become contaminated when a liquid take-off bottle is
used instead of the required vapor take-off bottle. If
the fuel system is contaminated, the lines and sole-
noid must be cleaned with a degreasing solvent.
Temperature control &/or microswitch
defective or out of adjustment...............................................................Check temperature control switch and microswitch
and microswitch for adjustment. Adjust, repair, or
replace as necessary. See Section 6, “Repairs and
Adjustments”.
SWING CIRCUITPROPANE HEATER
RT700 Series Page 5 - 32 Issued: August 2003
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