Viking Quiet Cool VCRB5301, Service Manual, Page: 19 / 47

To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
WARNING !
Disassembly
©2012 Viking Preferred Service 19
Inverter (continued)
4. The inverter is now accessible on the right
side.
Inverter
120 VAC is supplied to the inverter
from E4 on the High Voltage Board.
The LV board sends 5 VDC to the
inverter to operate the compressor.
5. Reverse procedure to reinstall.
1. To access the condenser fan assembly,
remove upper air grill assembly, remove
control panel assembly (see Air Grill and
Control Panel Removal sections, Page
15).
Condenser Fan
The condenser fan is located in the upper
machine compartment of the unit. 120 VDC
is supplied to the fan when the Compressor/
Condenser Fan relay closes to E4 on the
High Voltage Board.
2. Remove the control box in order to gain
easy access to the door hinge area for
service. There are 4 ¼” hex screws (2
on each side) holding the control box to
the refrigerator housing. Remove these
screws.
3. Unplug the 15-pin Molex power plug, as
well as the 2-wire converter frequency
cable and the 3-wire thermistor plug .
Remove electronics box and set aside to
gain access to condenser fan assembly.
Condenser Fan
4. Remove the three 1/4" hex screws
holding fan assembly in place, remove
fan assembly