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11 Measurements and Adjustments
11.1. Component Controlling
11.1.1. Compressor:
IIt pumps the refrigerant absorbed from the cooling system to
the condenser. Basically it is consist of a cylinderpiston system
and an electric motor. Electric motor creates the rotational
motion which turns into vertical motion at cylinders to create
exhaust & compression.
Possible compressor defects:
• Short circuit / bobbin fault
• Compressor locking
• Low compression pressure
Check the OLP connections
If the OLP connections are open circuit they must have
exchanged.
Check the compressor windings. If there is any open or short
circuit the compressor must have exchanged.
11.1.2. Main PCB (control)
Being used in electronic No-frost models. Provides control over
electrical components like heater, fan motor and damper motor.
Controls the defrost time automatically through ATC.
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