Short Circuit Protection; Vcc Module/Inverter Identification; Fault Finding; High Voltage Power Supply Circuit - Fisher & Paykel RF201A Service Manual

819091D

Short Circuit Protection

In a case where a short circuit occurs, (eg; motor winding damage, connection faults etc), the same current
limiting control is actuated to reduce further damage. In the case of a major failure, a fuse within the inverter
will break the current supplied to the control. This fuse cannot be replaced in servicing.
11.3

VCC MODULE/INVERTER IDENTIFICATION

The module/inverter has an identification label giving the following information:
Inverter Version
VCC3
Frequency:
50 – 60 Hz
11.4

FAULT FINDING

High Voltage Power Supply Circuit

Whenever power is supplied to the refrigerator, there should always be 240V mains voltage in the high voltage
harness between the power/control module and the VCC module/inverter. Live testing of the inverter is NOT
recommended. Check the resistance of the compressor; check the continuity of the harness from the
power/control module and the inverter. If there is continuity through the harness, replace the inverter and
check compressor operation. If compressor still does operate replace the power/control module.
VCC Compressor Pins
Voltage:
11 = 115-127V
24 = 220-240V Electronic board version
11 56 XX
A = Stand alone version box
F = Attached version box
6.4Ω
A XX
Cable configuration
6.4Ω
48
6.4Ω