GSI Outdoors PNEG-377 - Manual (Page 13)

13
Fan and Heater
1. Check for 220V between points C and F. If no
voltage present, check power at primary disconnect.
2. Check for 220V between points C and D. If no
voltage present, check "J" (thermostat) wires.
(on units with " J " wires)
3. Check for 220V between points C and E. If no
voltage present, replace or reset thermal motor
overload.
4. Check for 220V between points F and G. If no
voltage present, replace 1/4 amp fuse.
5. Check for 220V between points F and H. If no
voltage present, checkout stop switch and replace
if necessary.
Push Start Button, Nothing Happens:
CAUTION! BE VERY
CAREFUL WHEN
CHECKING OUT 220V OR
460V CONTROL CIRCUIT.
SERIOUS INJURY OR
DEATH MAY OCCUR IF
PROPER PRECAUTIONS
ARE NOT TAKEN.
Figure 3: Fan circuit board.
6. Check for 220V between points F and I (while
pressing start button). If no voltage present
checkout and replace start switch if necessary.
7. Check for 220V between points A and B (while
pressing start button). If voltage present and
no start, replace coil on contactor.
Push Start Button, Fan Starts but will
not Continue after Start Switch is Re-
leased
1. Auxiliary switch on contactor is probably bad,
checkout and replace if necessary.
Note: Always check for 220 volts at check points.
110 volts to ground does not necessarily mean
check point is okay. Voltage may bleed through
contactor coil and other similar parts.
IMPORTANT: ALL OF THE BELOW SYMPTOMS MAY BE CAUSED BY LOOSE WIRING OR CONNECTIONS.
ALWAYS CHECK IT FIRST!
TROUBLESHOOTING
Fan Control Circuit