© 2009 Viking Preferred Service
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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 Compressor
Status
Probable Root Causes Service Action
1 Flash–every 15 seconds ON UÊ Êv>ÕÀiÊ`iÌiVÌi` If system is not working properly, check
other refrigerator components
OFF UÊÊ ÊÃ}>ÊvÀÊ
Control Board
UÊ"«iÊÌiÀÃÌÀ
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
UÊÊvÊÛiÀÌiÀÊÃÌÊÃÜÃÊ£Êy>ÃÊV`iÊ>`Ê
compressor is “OFF”, then check the
control board
2 Flashes–every 5 seconds OFF UÊÊ ÊÃ}>ÊvÀÊ
Control Board
UÊiVÊvÀiµÕiVÞÊV>LiÊViVÌ
UÊÊvÊvÀiµÕiVÞÊV>LiÊViVÌÊÃÊ"]Ê
replace inverter
3 Flashes–every 5 seconds OFF UÊÊ«ÀiÃÃÀÉÛiÀÌiÀÊV>LiÊ
interrupted (open circuit)
UÊÛiÀÌiÀÊ`>>}i`
UÊÊ«ÀiÃÃÀÊÜ`}Ê«iÊ
circuit
UÊÊiVÊÛiÀÌiÀÉV«ÀiÃÃÀÊV>LiÊ
connection
UÊÊiVÊV«ÀiÃÃÀÊÜ`}ÊÀiÃÃÌ>ViÃÊ
(among 3 terminal hermetic pins)
UÊÊÊvÊÀiÃÃÌ>ViÊÃÊÜÌÊëiVwV>ÌÊ>`
inverter/compressor cable is OK,
replace inverter