Heat Pump, Split System, Single Service, 3 phase
Maintenance Document 1394-1 47
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.
• Inverter 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.
OK
2. Replace the electronic board :
- If steps 1 do not solve the problem, replace Inverter PCB.
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