Maytag MFI2266AES Service Manual - Page 24

Troubleshooting Chart - too cold

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Troubleshooting Chart ! WARNING 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 ground wires are connected before certifying unit as repaired and/or operational. Troubleshooting chart on following pages contains symptoms that may be seen in malfunctioning units. Each symptom is accompanied by one or more possible causes and by a possible remedy or test to determine if components are working properly. Symptom Possible Causes Corrective Action Unit does not run No power to unit Check for power at outlet. Check fuse box/circuit breaker for blown fuse or tripped breaker. Replace or reset. Faulty power cord Check with test light at unit; if no circuit and current is indicated at outlet, replace or repair. Low voltage Check input voltage for proper voltage. Take appropriate action to correct voltage supply problem. Refrigerator section too warm Faulty motor or freezer temperature control Faulty relay Faulty compressor Faulty overload Excessive door opening Overloading of shelves Check all connections are tight and secure. Use Control Board Service Mode to check motor. Check relay. Replace if necessary. Check compressor motor windings for opens/shorts. Perform compressor direct wiring test. Replace if necessary. Check overload for continuity. NOTE: Ensure compressor/overload are below trip temperature before testing. Replace if necessary. Consumer education Consumer education Warm or hot foods placed in cabinet Consumer education Cold control set too warm Set control to colder setting. Poor door seal Refrigerator airflow Faulty condenser fan or evaporator fan Faulty compressor Level cabinet. Adjust hinges. Replace gasket. Check damper is opening by removing grille. With door open, damper should open. Replace if faulty. Check Ice Box fan for operation. Turn control setting to colder position. Use Control Board Service Mode to check motor. Check fan and wiring. Replace if necessary. Use Control Board Service Mode to check motor. Replace compressor. 24 16026312 ©2006 Maytag Services

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24
16026312
©2006 Maytag Services
Troubleshooting Chart
Symptom
Possible Causes
Corrective Action
No power to unit
Check for power at outlet. Check
fuse box/circuit breaker for blown
fuse or tripped breaker. Replace or
reset.
Faulty power cord
Check with test light at unit; if no
circuit and current is indicated at
outlet, replace or repair.
Low voltage
Check input voltage for proper
voltage. Take appropriate action to
correct voltage supply problem.
Faulty motor or freezer temperature
control
Check all connections are tight and
secure.
Use Control Board Service Mode to
check motor.
Faulty relay
Check relay. Replace if necessary.
Faulty compressor
Check compressor motor windings
for opens/shorts.
Perform compressor direct wiring
test.
Replace if necessary.
Unit does not run
Faulty overload
Check overload for continuity.
NOTE:
Ensure
compressor/overload are below
trip temperature before testing.
Replace if necessary.
Excessive door opening
Consumer education
Overloading of shelves
Consumer education
Warm or hot foods placed in cabinet
Consumer education
Cold control set too warm
Set control to colder setting.
Poor door seal
Level cabinet. Adjust hinges.
Replace gasket.
Refrigerator airflow
Check damper is opening by
removing grille. With door open,
damper should open. Replace if
faulty.
Check Ice Box fan for operation.
Turn control setting to colder
position.
Faulty condenser fan or evaporator
fan
Use Control Board Service Mode to
check motor.
Check fan and wiring. Replace if
necessary.
Refrigerator section too warm
Faulty compressor
Use Control Board Service Mode to
check motor.
Replace compressor.
Troubleshooting chart on following pages contains symptoms that may be seen in malfunctioning units. Each
symptom is accompanied by one or more possible causes and by a possible remedy or test to determine if
components are working properly.
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 ground wires are connected before certifying unit as repaired and/or operational.
!
WARNING