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099565
OBSERVED
PROBLEM
TROUBLE-
SHOOTING
Motor does not
start when heater
is plugged in and
thermostat setting
is higher than
surrounding air
temperature.
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
outlet with voltage lower
than 220/240 volts
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. Safety control not reset
5. Damaged safety control
6. Damaged power relay
7. Damaged thermostat
8. Binding pump
1. A) Check condition of
power cord or extension
cord. Repair or replace if
damaged.
B) Use extension cord with
proper wire size (see To
Start Heater, page 8).
C) Make sure heater is
plugged into 220/240 volt,
50 hertz outlet.
2. Check connections.
Tighten if loose.
3. A) See Fan Blades, page
14.
B) Remove debris from fan
and fan guard area.
C) Turn fan by hand. If fan
is hard to turn, see Pump,
page 16.
D) See steps B and C under
item 1 above.
Note:
Be sure to reset
motor overload protector
by pressing reset button on
top of motor.
4. Press and release safety
control reset button. See
Figure 4, page 8 for button
location.
5. Replace safety control.
6. Replace power relay.
7. Replace thermostat.
8. Turn fan by hand. If fan is
hard to turn, see Pump, page
16.
WARNING ICON G 001
WARNING
Never service heater while it is plugged in, operating, or hot.
Severe burns and electrical shock can occur. Only a qualified
service person should service and repair heater.
POSSIBLE CAUSE
REMEDY