Table vlll-troubleshooting chart-heating cycle – Carrier 542E User Manual
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TABLE Vlll-TROUBLESHOOTING CHART-HEATING CYCLE
on the insulation, motor, wiring, or air filter(s). If the drain
tube is restricted, clear it with a “plumber’s snake” or simi
lar probe device.
F. Outdoor Fan
CAUTION: Keep the outdoor fan free from all obstructions
to ensure proper operation. Never place articles on top of the
unit.
A80090
Inspect the fan blades for cracks or bends each year. Ensure
that blades clear the motor by H4 inch. If the blade assembly
has slipped down the motor shaft, adjust the fan position on
the motor shaft by loosening the setscrew (s) then moving
the blade assembly up. Be sure that the setscrew(s) is on the
flat(s) of the motor shaft before tightening.
G. Electrical Controls and Wiring
Inspect and check the electrical controls and wiring annu-
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