Amana SR520T Service page 15

Troubleshooting Chart
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit and discharge
capacitor through a 10,000 ohm resistor before attempting to service, unless test procedures require power to be
connected. Ensure all earthing wires are connected before certifying unit as repaired and/or operational.
Symptom
Refrigerator section too cold
Freezer and refrigerator sections too
warm
Freezer section too cold
Unit runs continuously
Unit runs continuously. Temperature
norm al or warm.
Unit runs continuously. Temperature
too cold or too warm.
Noisy operation
April 1998
!
WARNING
Possible Causes
Refrigerator temperature control set
too cold
Refrigerator airflow not properly
adjusted
Temperature controls set too warm
Poor door seal
Dirty condenser or obstructed grille
Faulty control
Defrost heater remains open
Refrigerant shortage or restriction
Freezer temp control set too cold
Faulty control
Temperature control set too cold
Dirty condenser or obstructed grille
Poor door seal
Interior light remains on
Faulty condenser fanor evaporator
fan
Faulty control
Refrigerant shortage or restriction
Refrigerant overcharge
Air in system
Ice on evaporator
Faulty defrost thermostat
Loose flooring or floor not firm
Cabinet not level
Tubing in contact with cabinet, other
tubing, or other m etal
Drain pan vibrating
Fan hitting another part
W orn fan m otor bearings
Compressor mounting grommets
worn or missing. Mounting hardware
loose or missing.
Free or loose parts causing or
allowing noise during operation
17
Corrective Action
Adjust refrigerator temperature
control
Adjust airflow grille to freezer.
Adjust Beverage chiller and Chiller
Fresh temperature controls.
Reset temperature controls.
Level cabinet. Adjust hinges.
Replace gasket.
Check condenser and grille. Clean.
Test control. Replace if defective.
Check evaporator.
Check for leak or restriction. Repair,
evacuate and recharge system .
Adjust freezer temperature control
Test control. Replace if defective.
Adjust temperature control.
Check condenser and grille. Clean.
Level cabinet. Adjust hinges.
Replace gasket.
Check switch. Check door activates
switch. Adjust or replace if switch.
Check fan switch, fan, and wiring.
Replace if necessary
Test control. Replace if defective.
Check for leak or restriction. Repair,
evacuate and recharge system .
Check for overcharge. Evacuate and
recharge system
Check for low side leak. Repair,
evacuate and recharge system .
See "Ice on evaporator."
Check thermostat. Replace if
necessary.
Repair floor or brace floor.
Level cabinet.
Adjust tubing.
Adjust drain pan.
Ensure fan properly aligned and all
attaching hardware and brackets are
tight and not worn. Tighten or
replace.
Check motor for loss of lubricant or
worn bearings. Replace if necessary.
Tighten hardware. Replace
grommets if necessary.
Inspect unit for parts that may have
worked free or loose or m issing
screws. Repair as required.
RS5290000 Rev. 0