Viking VCSB542 Service Manual page 41

Diagnostics
Diagnostic Procedures (continued)
Code
4 Flashes–every 5 seconds
LED OFF
© 2010 Viking Preferred Service
Compressor Probable Root Causes
Status
OFF
system damaged
OFF
Inverter damaged
Service Action
terminal pins and compressor shell
spec, replace the compressor
within the spec:
* Check inverter/compressor cable is
interrupted
* 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", replace
the compressor
power connections
the inverter from the power supply and
wait 2 minutes. Reconnect the inverter to
the power supply and wait for 12 minutes
compressor is "OFF", change the inverter
the compressor is "ON", diagnostic
function is not working properly
41