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110098-01H8
TROUBLESHOOTING
WARNING: Never service heater while it is plugged in, operating
or hot. Severe burns and electrical shock can occur. Only a qualied
service person should service and repair heater.
OBSERVED PROBLEM
Motor does not start when
heater is plugged in and ther-
mostat setting is higher than
surrounding air temperature
REMEDY
1. A) Check condition of power
cord or extension cord. Re-
pair or replace if damaged
B) Use extension cord with
proper wire size (see To
Start Heater, page 5 )
C) Make sure heater is
plugged into 120 volt/60
hertz outlet
2. Check connections. Tighten
if loose
3. A) See Fan Blades and Air
Deectors, page 11
B) Remove debris from fan
and fan guard area
C) Turn fan by hand. If fan
is hard to turn, see Pump,
page 13
D) See steps B and C under
item 1 above
Note: Be sure to reset mo-
tor overload protector by
pressing reset button on
top of motor
4. Press and release ame-
out control reset button.
See Figure 4, page 5 for
button location
5. Replace ame-out control
6. Replace power relay
7. Replace thermostat
8. Turn fan by hand. If fan is
hard to turn, see Pump,
page 13
POSSIBLE CAUSE
1. No power or low voltage at
heater due to:
A) Damaged power cord or
extension cord
B) Wrong size extension
cord
C) Heater plugged into out-
let with voltage lower than
120 volt
2. Loose electrical connec-
tions
3. Motor overload protector
tripped due to:
A) Dirty fan
B) Debris pulled into fan
area by fan
C) Binding pump
D) Low voltage
4. Flame-out control not reset
5. Damaged ame-out control
6. Damaged power relay
7. Damaged thermostat
8. Binding pump