Maytag MTB1893ARS Operations Instructions download pdf (Page 21)

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

Symptom Possible Causes Corrective Action

Refrigerator temperature control set

too cold

Adjust refrigerator temperature

control.

Refrigerator section too cold

Refrigerator airflow not properly

adjusted

Check air flow.

Temperature controls set too warm Reset temperature controls.

Poor door seal Level cabinet. Adjust hinges.

Replace gasket.

Dirty condenser or obstructed grille Check condenser and grille. Clean.

Faulty control Test control. Replace if failed.

Refrigerant shortage or restriction

Freezer and refrigerator sections too

warm

Ice on evaporator

Check for leak or restriction. Repair,

evacuate and recharge system.

Freezer temp control set too cold Adjust freezer temperature control.

Airflow restricted between freezer

and fresh food compartment

Remove restriction

Freezer section too cold

Temperature control set too cold Adjust temperature control.

Dirty condenser or obstructed grille Check condenser and grille. Clean.

Poor door seal Level cabinet. Adjust hinges.

Replace gasket.

Interior light remains on Check switch. Replace if necessary.

Faulty condenser fan or evaporator

fan

Check fan and wiring. Replace if

necessary.

Faulty control Test control. Replace if failed.

Refrigerant shortage or restriction Check for leak or restriction. Repair,

evacuate and recharge system.

Refrigerant overcharge Check for overcharge. Evacuate and

recharge system.

Unit runs continuously

Air in system Check for low side leak. Repair,

evacuate and recharge system.

Unit runs continuously. Temperature

normal.

Ice on evaporator See “Ice on evaporator”.

Loose flooring or floor not firm Repair floor or brace floor.

Cabinet not level Level cabinet.

Tubing in contact with cabinet, other

tubing, or other metal

Adjust tubing.

Drip pan vibrating Adjust drain pan.

Fan hitting another part Ensure fan properly aligned and all

attaching hardware and brackets are

tight and not worn. Tighten or

replace.

Worn fan motor bearings Check motor for loss of lubricant or

worn bearings. Replace if necessary

Compressor mounting grommets

worn or missing. Mounting hardware

loose or missing

Tighten hardware. Replace

grommets if necessary.

Noisy operation

Free or loose parts causing or

allowing noise during operation

Inspect unit for parts that may have

worked free or loose or missing

screws. Repair as required.

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Maytag MTB1893ARS Operations Instructions Page 21

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