Daikin RZP100DVAL [162/255] Compressor motor lock

Daikin FHYCP50DVE [162/255] Compressor motor lock
SiE25-110 Troubleshooting by Remote Controller Display / LED Display
Troubleshooting 153
6.18 Compressor Motor Lock
Remote
Controller
Display
E5
Outdoor Unit LED
Display
A 9 1 4 2 3 3 3 4 3
Applicable
Models
RZP71~140D
Method of
Malfunction
Detection
Inverter PC board takes the position signal from UVWN line connected between the inverter and
compressor, and detects the position signal pattern.
Malfunction
Decision
Conditions
The position signal with 3 times cycle as imposed frequency is detected when compressor
motor operates normally, but 2 times cycle when compressor motor locks. When the position
signal in 2 times cycle is detected
Supposed
Causes
Compressor lock
High differential pressure (0.5MPa or more) starting
Incorrect UVWN wiring
Faulty inverter PC board
Stop valve is left in closed.

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