To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
WARNING!
Disassembly
24 ©2012 Viking Preferred Service
Thermal Cut Out (TCO)
The TCO is a safety device and must NOT
be bypassed. If the TCO is found to be
electrically open, this indicates an overheat
in the ice maker and the ice maker must be
replaced.
TCO
Freezer Thermistor
The freezer thermistor is a device that reads
freezer temperatures. The temperature of
the freezer is measured and the thermistor
cycles the compressor on and off to achieve
the freezer setting selected by the end user.
Readings can be checked in Service mode A
or continuity at the LV board
1. To access the freezer thermistor, remove
all shelves, drawers. Remove screws
securing the thermistor, disconnect
wiring, and repair/replace thermistor.
2. In order to check the Thermistor, refer
to Mode A Programing on Page 29 or
thermister resistance chart on Page 11.
To Next Page
Loading...
