© 2010 Viking Preferred Service
25
Diagnostics
Service Tests
When the test mode has been entered, the first test will be for the defrost test.
101 Defrost Heater and Defrost Circuit
Press either the UR or LR keypads to energize or de-energize the Defrost circuit. The display will read
OFF when de-energized as shown below. OP when energized with open defrost thermostat and CL when
energized with closed defrost thermostat.
102 Compressor/Condenser Fan
Press the “UR” keypad or “LR” keypad to toggle Compressor/Condenser fan On and Off.
112 Freezer Fan
Press the “UR” keypad or “LR” keypad to toggle Freezer Fan OFF, High or Low speed.
Note: Display will show 11.0-14.0 volts for HIGH and 7.75-8.25 volts for LOW. When off 0.0 will be
displayed.
Press either
button to
cycle defrost
ON and OFF
Press upper
left button to
toggle through
test cycles
101 OFF
Press either
button to cycle
compressor and
condenser fan
motor ON and
OFF
Press either
button to
toggle through
test cycles
102 OFF
Press either
button to cycle
freezer fan OFF,
High or Low
speed
Press either
button to
toggle through
test cycles
112 0.0
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