![background image](http://html2.mh-extra.com/html/daikin/skyair-fcq18pvju/skyair-fcq18pvju_service-manual_4705640113.webp)
SiUS28-902_a
Troubleshooting by Indication on the Remote Controller
Troubleshooting
106
3.17 “
E5
” Inverter Compressor Motor Lock
Remote
Controller
Display
E5
Applicable
Models
RZQ18~30PVJU
Method of
Malfunction
Detection
Inverter P.C.B. takes the position signal from UVW line connected between the inverter and
compressor, and the malfunction is detected when any abnormality is observed in the phase-
current waveform.
Malfunction
Decision
Conditions
This malfunction will be output when the inverter compressor motor does not start up even in
forced startup mode.
Supposed
Causes
Compressor lock
High differential pressure (72psi or more)
Incorrect UVW wiring
Faulty inverter P.C.B.
Stop valve is left in closed position.
Summary of Contents for SkyAir FCQ18PVJU
Page 1: ...Split System Air Conditioners SkyAir Inverter R 410A Heat Pump 60Hz P Series SiUS28 902_a...
Page 44: ...Other Control SiUS28 902_a 37 Function...
Page 81: ...SiUS28 902_a Troubleshooting by Remote Controller Troubleshooting 74...
Page 185: ...SiUS28 902 Precautions for New Refrigerant R 410A Precautions for New Refrigerant R 410A 178...