Disassembly
©2012 Viking Preferred Service 27
WARNING!
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless
test procedures require power to be connected. Ensure all ground wires are connected before certifying unit as
repaired and/or operational.
exits the HV board from Terminal E6 (orange)
to the heating element If voltage is present
at E5 but not at E6, then the Defrost relay
is open. If there is 0 volts At E5, then the
terminator is open.
Another method to test can be achieved by
testing at the 15-wire Molex plug on the right
side of the Control Housing. Refer to page
82 pin locations.
Defrost heater
1. Remove screws securing rear panel and
remove rear panel.
Freezer thermistor
Evaporator cover
2. Remove clips securing defrost heater,
disconnect wiring, and repair/replace
defrost heater.
Defrost heater
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