E5" Inverter Compressor Motor Lock - Daikin FCQ18PVJU Service Manual

SiUS28-902_a
E5
3.17 " " Inverter Compressor Motor Lock
E5
Remote
Controller
Display
Applicable
RZQ18~30PVJU
Models
Method of
Inverter P.C.B. takes the position signal from UVW line connected between the inverter and
Malfunction compressor, and the malfunction is detected when any abnormality is observed in the phase-
current waveform.
Detection
Malfunction This malfunction will be output when the inverter compressor motor does not start up even in
Decision forced startup mode.
Conditions
 Compressor lock
Supposed
 High differential pressure (72psi or more)
Causes
 Incorrect UVW wiring
 Faulty inverter P.C.B.
 Stop valve is left in closed position.
Troubleshooting
Troubleshooting by Indication on the Remote Controller
106