© 2010 Viking Preferred Service
26
Diagnostics
Service Tests (continued)
113 Ice Compartment Fan
Press the “UR” keypad or “LR” keypad to toggle ice compartment 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.
121 Damper Operation
Press the “UR” keypad or “LR” keypad to toggle Damper OP (open) or CL (Closed).
Note: When damper is opening or closing it will display–if damper state is unknown. It can also show DP if
damper is moving when initially entering service mode.
131 Mullion Heater
Press the “UR” keypad or “LR” keypad to toggle Mullion Heater Off and On.
Press either
button to cycle
ice compartment
OFF, High or Lo
speed
Press either
button to
toggle through
test cycles
113 0.0
Press either
buttonto cycle
Damper OPEN
or CLOSED
Press either
button to
toggle through
test cycles
121 0P
Press either
button to
cycle Mullion
Heater ON or OFF
Press either
button to
toggle through
test cycles
131 OFF