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Clear 27: P.F.C. error (only for 3-phase type)
LED
Hydraulic Unit
Outdoor Unit
Green
Red
ÀDVKHV
ÀDVKHV
ÀDVKHV
Probable causes:
Connector connection failure.
Main PCB failure.
PFC PCB failure.
Check:
Clear 27:
2. Check output voltage of Main PCB :
Check voltage of Main PCB (Measure at Main PCB side connector)
1 pin(brown) - 2 pin(Red) DC5V +/- 5%
If the voltage is not correct, replace Main PCB.
OK
3. Replace PFC PCB
If Check Point 1, 2 do not improve the symptom, replace PFC PCB.
OK
1. Check connections of between Main PCB and PFC PCB:
- Check if the terminal connection is loose.
- Check if connector is removed.
- Check if connector is erroneous connection.
- Check if cable is open.
Upon correcting the removed connector or mis-wiring, reset the power.
Maintenance document "1546 - EN"
Outoor unit - excellia (duo)
WOYGxxxLCT_WOYKxxxLCT
- 24 -