Viking VUAR140 Troubleshooting Guide download pdf (Page 11)

PROBLEM POSSIBLE CAUSE TEST PROCEDURE-

Freezer compartment too High ambient temperature Locate in area our of direct rays of

warm (continued) sun and away from heat registers or

other source of heat.

Cabinet light Check to make sure door switch is

closed. Replace or adjust switch if

necessary.

Excessive frost on evapo-

Check items under complaint,

“incom-

rator. plete defrosting.”

Unit:

a. Compressor won’t Check items under complaint,“Com-

Run pressor won’t run.

b. Compressor runs Check items under complaint,“Com-

continuously pressor runs, but no refrigeration or

insufficient refrigeration.

Refrigerator compart- Motorized Air Door:

Check for a motor winding

resistance of

ment too warm 8800 ohms between the BE/Y andW

a. Baffle closed wires or the Y/R and W wires. If the

meter reading shows “open”for both

BE/Y and Y/R wires, replace motor.

b. Baffle is stuck closed Check for iced door.Remove ice and

eliminate moisture entering due to

air leak.

Electronic control board:

a. Set too warm Turn knob to colder position.

b. Baffle stuck closed Check for 120 v. between the

OR/W

and W wires at circuit board plug.

NOTE: Use static control gloves

when handling electronic control

board.

Thermistor:

a. Sends wrong or high

Check resistance for given

temperature

resistance signal to at

wires.An open or infinite resis-

control board. tance reading closes the door.Replace

the thermistor.

b. Others, same as Same as items under, “Freezer

“Freezer compart- compartment too warm.”

ment too warm

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Viking VUAR140 Troubleshooting Guide Page 11

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