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!
Troubleshooting
©2012 Viking Preferred Service 39
Troubleshooting Guide
Below and on the following page are some general guides should a problem be detected. Please
refer to the test procedures in this manual to determine the defective component.
Pr
oblem
Probable Cause
Corr
ection
Unit will not
operate
Power supply
Circuit
br
eaker
Power switch
Verify
voltage
Reset
br
eaker
Turn to the
“ON” position
Water overflows
defrost pan
Unit not level
Float switch
Pan
heater
Ensure
unit is level
Verify operation of float switch
Verify heater is
working
Refrigerator too warm
(AR
Model)
Control
setting
Door seal
Dirty condenser Defective
thermistor
Control
boar
d
Move control to medium
setting
Verify closure, replace if
needed
Clean condenser
coil
Replace
thermistor
Verify
operation
(AR
Model)
Temperature
setting
Defective
thermistor
Control
boar
d
Move to medium
setting
Replace
thermistor
Verify
operation
Unit runs continually
Control
setting
Door seal
Dirty condenser
Condenser/evaporat
or fan Defective
Move to medium
setting
Verify closure, replace if
needed
Clean condenser
coil
Verify
movement/operation
of fan
Replace
thermistor
Frost on
evaporator
Evaporator fan
Door not sealing
properly
Check connection and possible short open
condition
Adjust door seal or
r
eplace.
Unit running and no
lights
Sabbath
Mode
Open cir
cuit
Take out of Sabbath
Mode
Repair/replace
wiring
Refrigerator too warm
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