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ERROR CODE: E5 – Inverter Compressor Motor Lock
E5
Remote
Controller
Display
Inverter PC board takes the position signal from UVW line connected between the inverter
Method of
and compressor, and the malfunction is detected when any abnormality is observed in the
Malfunction
Detection
phase-current waveform .
Malfunction
This malfunction will be output when the inverter compressor motor does not start up even
Decision
in forced startup mode .
Condition
● Inverter compressor lock
● High differential pressure (72.5psi or more)
Supposed
Causes
● Incorrect UVW wiring
● Faulty inverter PC board
OM 1263 • MICROTECH UNIT CONTROLLER
76
Troubleshooting
www .DaikinApplied .com
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