Power Limitation (Temperature Protection); Short Circuit Protection; Vcc Module/Inverter Identification; Fault Finding - Fisher & Paykel 635 Active Smart Service Manual

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6.2.3

Power Limitation (Temperature Protection)

The control limits the power supplied to the compressor to 200 watts to keep all electrical components below
a safe operating limit. The power is limited in the same way as the current in the overload protection.
6.2.4

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.
6.3

VCC Module/Inverter Identification

The module/inverter has an identification label giving the following information:
Inverter Version
Frequency:
50 – 60 Hz
6.4

Fault Finding

6.4.1

High Voltage Power Supply Circuit

Whenever power is supplied to the refrigerator, there should always be mains voltage (230V or 110V as
supplied to the appliance by the household supply) in the high voltage harness between the power/control
module and the VCC module/inverter.
resistance of the compressor; check the continuity of the harness from the power/control module. If there is
continuity through the harness, replace the power/control module.
The later Active Smart
fault code to assist in the diagnostics of both the compressor and the inverter. It uses one single LED lamp
to convey, by means of flashes and the interval between flashes, the fact that the inverter is operating as it
should be or, if there is a fault, the current fault.
Voltage:
11 = 115-127V
24 = 220-240V
VCC3
11
56
A = Stand alone version box
F = Attached version box
Live testing of the inverter is NOT recommended. Check the
Ω
VC COMPRESSOR FUSITE PINS
®
cabinets fitted with VCC use a new type of inverter (VCC-3 inverter) having a LED
Electronic board version
XX
A
XX
Cable configuration
Ω
41
Ω
321144

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