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MAINTENANCE
WARNINGS
• Never service heater while it is
plugged in, connected to pro-
pane supply, operating, or hot.
Severe burns and electrical
shock can occur.
• Keep heater clear and free from
combustible materials, gaso-
line, and other flammable va-
pors and liquids.
• Do not block the flow of com-
bustion or ventilation air.
TROUBLESHOOTING
OBSERVED FAULT
Fan does not turn when heater is plugged in.
Heater will not ignite.
Heater shuts down while running.
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1.
Keep heater clean. Clean heater annu-
ally or as needed to remove dust and
debris. If heater is dirty or dusty, clean
heater with a damp cloth. Use house-
hold cleaners on difficult spots.
2.
Inspect heater before each use. Check
connections for leaks. Apply mixture
of liquid soap and water to connections.
Bubbles forming show a leak. Correct
all leaks at once.
3.
Inspect hose/regulator assembly before
each use. If hose is highly worn or cut,
replace.
4.
Have heater inspected yearly by a quali-
fied service agency.
WARNING: Never service heater while it is plugged in, connected to
propane supply, operating, or hot. Severe burns and electrical shock can
occur.
POSSIBLE CAUSE
1. No electrical power to heater
2. Fan hitting inside of heater shell
3. Fan blades bent
4. Defective motor
1. User did not follow installation or op-
eration instructions properly
2. No spark at ignitor. To test for spark, fol-
low step 9 under Ignitor, page 8. If you
see spark at ignitor, have heater serviced
by qualified service person. If no spark
seen:
A) Loose or disconnected ignitor wire
B) Wrong spark gap
C) Piezo ignitor loose
D) Bad ignitor electrode
1. High surrounding air temperature caus-
ing thermal limit device to shut down
heater
2. Restricted air flow
3. Damaged fan
4. Excessive dust or debris in surrounding
area
WARNING: Use only in areas free of high dust content.
7
OWNER'S MANUAL
5.
Keep inside of heater free from com-
bustible and foreign objects. Remove
motor and other internal parts if needed
to clean inside of heater (see Service
Procedures, page 8).
6.
Clean fan blades each season or as
needed (see Fan, page 9).
REMEDY
1. Check voltage to electrical outlet. If volt-
age is good, check heater power cord for
breaks
2. Adjust motor/fan guard to keep fan from
hitting inside of heater shell. Bend fan
guard if necessary
3. Replace fan. See Fan, page 9
4. Replace motor. See Motor, page 8
1. Repeat installation and operation in-
structions. See Installation, page 5 and
Operation, page 6
2. A) Check ignitor wire. Tighten or reat-
tach loose ignitor wire. See Figure 17,
page 9 for ignitor wire location
B) Set gap between ignitor electrode and
target plate to 4.3 mm (.17 in)
C) Tighten nut holding piezo ignitor to
base of heater
D) Replace ignitor electrode. See Igni-
tor, page 9
1. This can happen when running heater in
temperatures above 29° C (85° F). Run
heater in cooler temperatures
2. Check heater inlet and outlet. Remove
any obstructions
3. Replace fan. See Fan, page 9
4. Clean heater. See Maintenance, above
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