—22—
COMPLAINT
CAUSE
REMEDY
If cracked, out of balance, or partially missing,
replace it.
If cracked, out of balance, or partially missing,
replace it.
Tighten it.
If knocking sounds continue when running or
loose, replace the motor. If the motor hums or
noise appears to be internal while running,
replace motor.
Check voltage. See the limits on the preceding page.
If not within limits, call an electrician.
Check the wire connections, if loose, repair or
replace the terminal. If the wires are disconnected, refer
to wiring diagram for identification, and replace the
wires. Check the wires connections; If not, according to
the wiring diagram, correct the connections.
Check for continuity, refer to the wiring diagram
for terminal identification. Replace the switch if the
circuit is open.
Check the position of knob If not at the coldest
setting, advance the knob to this setting and
restart the unit.
Check continuity of the thermostat. Replace
the thermostat if the circuit is open.
Check the capacitor.
Replace if not within ±10% of manufacturer's
rating. Replace if shorted, open, or damaged.
Check the compressor for open circuit or ground.
If open or grounded, replace the compressor.
Check the compressor overload if externally
mounted. Replace if open. (If the compressor
temperature is high, remove the overload, cool
and retest.)
Check the voltage. See the limits on the preceding page.
If voltage is not within these limits, call an electrician.
Check overload, if externally mounted.
Replace if open. (If the compressor temperature
is high, remove the overload, cool, and retest.)
Fan
Blower
Loose clamper
Worn bearings
Voltage
Wiring
Rotary
Thermostat
Capacitor (Discharge
capacitor before servicing.)
Compressor
Overload
Voltage
Overload
Fan motor noise.
Compressor will not run,
but fan motor runs.
Compressor cycles on
overload.