Vcc3 Diagnostic Codes; Flashing Cycles; Diagnostic Procedures - Viking VCSB542 Service Manual

Diagnostics

VCC3 Diagnostic Codes

1 Flash No failure detected
2 Flashes No signal from the control board
3 Flashes Inverter failure
4 Flashes Compressor failure

Flashing cycles

1-flash code: 1 flash every 15 seconds
2-flash code: 2 flashes every 5 seconds
3-flash code: 3 flashes every 5 seconds
4-flash code 4 flashes every 5 seconds

Diagnostic Procedures

Code
1 Flash–every 15 seconds
2 Flashes–every 5 seconds
3 Flashes–every 5 seconds
© 2010 Viking Preferred Service
Compressor Probable Root Causes
Status
ON
OFF
Control Board
OFF
Control Board
OFF
interrupted (open circuit)
circuit
Diagnostic
LED
Service Action
If system is not working properly, check
other refrigerator components
If refrigerator settings (thermistor condi-
tions) are at levels in which compressor
status should be "ON":
* Unplug inverter from power supply and
wait for 2 minutes, reconnect the inverter
to the power supply and wait for 12
minutes
compressor is "OFF", then check the
control board
replace inverter
connection
(among 3 terminal hermetic pins)
inverter/compressor cable is OK,
replace inverter
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