Table of Contents
ESIE13-02A
E5 Compressor Motor Lock
4.4
E5
Remote controller
display
Method of
Inverter PC board takes the position signal from UVW 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 conditions
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 (2.6MPa or more) starting
Incorrect UVW wiring
Faulty inverter PC board
Stop valve is left in closed.
109
Error Codes: Outdoor Units
Part 4 Troubleshooting
4
3
4
4
5
Chapters
Table of Contents
Troubleshooting
