21
© 2012 Viking Preferred Service
Service Tests (continued)
191 Ice Maker Water valve
Display shows the state of the ice maker water valve (ON or OFF).
201 Mullion heater override
Press the refrigerator temperature “+” (up) or “–” (down) 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.
202 Default Defrost operation
Press the refrigerator temperature “+” (up) or “–” (down) keypad to toggle defrost operation from normal
adaptive defrost (OFF position) to minimum time between defrosts (ON position).
203 Show Temperature Set points
Press the refrigerator temperature “+” (up) or “–” (down) keypad to change from showing actual temperature
(OFF) to show temperature set points only (ON).
Diagnostics
2 0 1
O F F
Press either button to toggle
through test cycles
Press either button to cycle
mullion heater On (100%)
or OFF (compressor off)
1 9 1
O N
Press either button to toggle
through test cycles
Press either button to cycle
Ice Maker Valve On or OFF
2 0 2
O F F
Press either button to toggle
through test cycles
Press either button to cycle normal
adaptive defrost (OFF) to minimum
time between defrosts (ON)
2 0 3
O F F
Press either button to toggle
through test cycles
Press either button to show acutal
temperature (OFF) or temperature
set points (ON)
