Troubleshooting Chart - Maytag ATB1821AR series Service Manual

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 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 compo-
nents are working properly.
Symptom
Unit does not operate
Refrigerator section too warm
16025860
!
WARNING
Possible Causes
No power to unit
Faulty power cord
Low voltage
Faulty motor or temperature control
Faulty timer
Faulty relay
Faulty compressor
Faulty overload
Excessive door opening
Overloading of shelves
Warm or hot foods placed in cabinet
Cold control set too warm
Poor door seal
Refrigerator airflow
Interior light remains on
Faulty condenser fan or evaporator
fan
Faulty compressor
20
Corrective Action
Check for power at outlet. Check
fuse box/circuit breaker for blown
fuse or tripped breaker. Replace or
reset.
Check with test light at unit; if no
circuit and voltage is indicated at
outlet, replace or repair.
Check input voltage for proper
voltage. Take appropriate action to
correct voltage supply problem.
Check all connections are tight and
secure.
Jumper across terminals of control. If
unit runs, replace control.
Check with test light. Replace if
necessary.
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
Consumer education
Set control to colder setting.
Level cabinet. Adjust hinges.
Replace gasket.
Turn control knob to colder position.
Check switch. Replace if necessary.
Check to make sure door contacts
switch. Adjust door if necessary.
Check fan and wiring. Replace if
necessary.
Replace compressor.
©2005 Maytag Services