©2004 Maytag Services
16023324 Rev. 0
25
Symptom Possible
Causes
Corrective
Action
Defrost thermostat faulty
Check defrost thermostat. Replace if
failed.
Evaporator fan faulty
Check fan motor. Replace if failed.
Defrost heater remains open
Check defrost heater continuity.
Replace if failed.
Open wire or connector
Check wiring and connections.
Repair as necessary.
Frost or ice on evaporator
Refrigerant shortage or restriction
Check for leak or restriction. Repair,
evacuate and recharge system.
Loose wire or thermostat
connections
Check wiring and connections.
Repair as necessary.
Supply voltage out of specification
Check input voltage. Correct any
supply problems.
Overload protector open
Check overload protector for
continuity. If open, replace overload.
NOTE:
Ensure
overload/compressor are below
trip temperature before testing.
Faulty compressor motor capacitor
(some compressors do not require
motor capacitor)
Check capacitor for open/short.
Replace if necessary.
NOTE:
Discharge capacitor
before testing.
Faulty fan motor
Check fan motor. Replace if failed.
Restricted air flow
Check condenser and grille for dirt.
Clean.
Unit starts and stops frequently
(cycles on and off)
Refrigerant shortage or restriction
Check for leak or restriction. Repair,
evacuate and recharge system.
Troubleshooting Chart
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all earthing wires are connected before certifying unit as repaired and/or operational.
!
WARNING
