Fujitsu Waterstage WS G140DC6 Series Maintenance Document page 30

Split system (Single phase and 3-phase type)
Clear 33: Detection of compressor position error (permanent stoppage)
Hydraulic Unit LED: Green 9 flashes / Red 5 flashes
Outdoor Unit LED: 14 flashes
Probable causes:

Misconnection.

Main PCB failure.
Check:
1. Check connections condition in control unit:
- 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.
2. Replace the electronic board :
If steps 1 does not solve the problem, replace Main PCB.
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30
OK
Maintenance Document 1544-1