Daikin RZQ100B8V3B Service Manual page 213

ESIE05-03
3.6 Compressor Motor Lock (E5)
E5
Remote Controller
Display
Method of Inverter PC board takes the position signal from UVWN line connected between the inverter and
Malfunction compressor, and detects the position signal pattern.
Detection
Malfunction The position signal with 3 times cycle as imposed frequency is detected when compressor motor
Decision operates normally, but 2 times cycle when compressor motor locks. When the position signal in 2 times
Conditions cycle is detected
Supposed Causes
Part 3 – Troubleshooting
Compressor lock
High differential pressure (2.6MPa or more) starting
Incorrect UVWN wiring
Faulty inverter PC board
Stop valve is left in closed.
Error Codes: Outdoor Units
3–65
1
3 3
4
5