TROUBLE- SHOOTING
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.
OBSERVED | POSSIBLE CAUSE | REMEDY |
PROBLEM |
Motor does not | 1. No power or low voltage |
start when heater | at heater due to: |
is plugged in and | A) Damaged power cord |
thermostat setting | or extension cord |
is higher than | B) Wrong size extension |
surrounding air | cord |
temperature. | C) Heater plugged into |
| outlet with voltage lower |
| than 220/240 volts |
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.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
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. | Damaged safety control | 5. | Replace safety control. |
6. | Damaged power relay | 6. | Replace power relay. |
7. | Damaged thermostat | 7. | Replace thermostat. |
8. | Binding pump | 8. | Turn fan by hand. If fan is |
|
|
| hard to turn, see Pump, page |
|
|
| 16. |
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