source of a leak. The braze ways cannot be brazed/repaired. The evaporator assembly must be
replaced to repair a leak in this area.
Occasionally, corrosion develops under the thermo-bulb mounting clamp causing a leak, so leak
check this area thoroughly. Also, if this is the leak source, replace the evaporator assembly.
Hopefully, this information will help you properly diagnose sealed refrigeration system leak
conditions which you encounter on Viking all-refrigerator models in the field. When these
problems are properly diagnosed and promptly repaired, the customer, the service technician and
Viking all benefit.
TROUBLESHOODTING FOR VIKING ALL-REFRIGERATOR
AND WINE STORAGE ALL-REFRIGERATOR MODELS
PROBLEM CHECK POSSIBLE CAUSE REMEDY
1. Interior too a. Thermostat 1. Thermostat set to 1. Adjust thermostat to warmer
cold or setting too cold of a setting (lower number on
contents . setting for ambient knob)
freezing. conditions.
b. The evaporator 1. Refrigerant leak 1. locate and correct cause of
for the presence or low refrigerant refrigerant leak. Replace
of a uniform charge in the drier, evaporator, and
frost pattern sealed system. Recharge sealed
Is the frost Refrigerant volume refrigerant system with
confined to left is evaporator is not the proper amount of
wing and left sufficient to cool charge as listed on the
side of the the region of the unit’s data plate.
back? Note plate where the
compressor evaporator plate
should be sensing thermo-
operating for at stat’s thermo-bulb
least 5 minutes mounts. Therefore
with door open the control thermo-
to perform this stat never reaches
check. See its cut-out
previous page temperature and
for explanation the compressor
unique problem. Operates 100% of
the time. The
remaining evapor-
ator volume is
sufficient to cool
the air temperature
below freezing.
F90571
6
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