Maytag MTB1502ARQ, Service Manual

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©2003 Maytag Appliances Company
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 voltage 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.
Jumper across terminals of control. If
unit runs, replace control.
Faulty timer Check with test light. Replace if
necessary.
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 Turn control knob to colder position.
Interior light remains on Check switch. Replace if necessary.
Check to make sure door contacts
switch. Adjust door if necessary.
Faulty condenser fan or evaporator
fan Check fan and wiring. Replace if
necessary.
Refrigerator section too warm
Faulty compressor 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