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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 wire 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 the 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 graond. 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 set screw
Worn bearings
Voltage
Wiring
Rotary
Thermostat
Capacitor (Discharge
capacitor before
servicing.)
Compressor
Overload
Voltage
Overload
Fan motor noise.
Compressor will not run,
fan motor runs.
Compressor cycles on
overload.