Trouble Shooting And Diagnosis - Viking VCSB360 Service Notebook

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Heavy Warm Load
The amount of warm food placed in the refrigerator affects running time and power consumption.
Generally speaking, when a supply of food is placed in the refrigerator, the unit will operate continuously
until the food has been cooled down to the desired storage temperature. This continuous operation is
normal. In regions where the ambient temperature is relatively high, an excessive warm load may cause
overload cycles.
Excessive Door Openings
The length of time the door is left open and the number of times the door is opened should be held to a
minimum. Excessive door openings will greatly increase running time, power consumption and frost
build-up.
Improper Packaging
Uncovered foods and improper packaging materials and methods cause food to dry out. This reduces the
flavor of the foods and results in an excessive frost build-up. Refer the customer to the OWNER'S
GUIDE which came with the refrigerator.
Warm Room
1. A warm room or other large source of heat ( such as range, heater, hot air duct, sunny window ) can
affect performance. If the room ambient temperature exceeds 100*F, 100% running time can be
expected.
2. At temperatures approaching 120*F, the unit may cycle on the overload.
3. In general, the warmer the room, the greater time and power consumption.
Exterior Sweating
Refrigerators are designed to prevent "runoff" moisture at 90*F and 90% relative humidity. There may
be a thin film of moisture on areas at a lower temperature and relative humidity. This is within design
specifications and is not a fault of construction.
If possible, relocating the refrigerator in a less humid, better ventilated area will normally eliminate most
moisture problems.

TROUBLE SHOOTING AND DIAGNOSIS

GENERAL TROUBLE SHOOTING SITUATIONS
29

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