Ice Maker State Test; Ice Maker Relay; Mullion Heater Override - Viking VCFF136D Service Manual

Diagnostics
Service Tests (continued)

192 Ice Maker State Test

Display shows dr if left fresh food door switch is in the door open position. Display shows OFF if ice maker
power switch is in the off position and door closed. Display shows On if the ice maker power switch is in the
on position and the door closed and heater is off. Display shows OnH if icemaker power switch is in the on
position and harvest heater is on and door closed.
Press either
button to
toggle through
test cycles

193 Ice Maker Relay

Press the "UR" keypad or "LR" keypad to toggle the ice maker relay on and off.
Press either
button to
toggle through
test cycles
Note: This tests the M-4 relay on the control board.
The following are programmable changes that can be made to suit the customers requirements for proper
operation

201 Mullion Heater Override

Press the "UR" keypad or "LR" keypad to cycle this function. When set to OFF, the mullion heater will only
operate when the compressor is in the OFF cycle. When set to ON, the heater will operate 100% of the time.
Press either
button to
toggle through
test cycles
© 2010 Viking Preferred Service
192
193 OFF
201 OFF
Press either
button to
cycle ice maker
relay On or OFF
Press either
button to
cycle mullion
heater On (100%) or
OFF (compressor off o
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