40
Troubleshooting
19 times
Charging malfunction of capacitor PU
blink
17 times
High pressure protection of system E1 blink once
Overload protection of compressor H3 blink 3 times
Wrong connection for communication wire or malfunction of
expansion valve (free match)
dn / / /
Wrong connection for communication wire or malfunction detection
status of expansion valve (free match)
dd / / /
Mode shock E7 blink 7 times
Freon recovery mode Fo blink once blink once
Defrosting and oil return under heating H1 blink once
Failure start-up of compressor Lc
blink
11 times
Discharge high-temperature protection of compressor E4 blink 4 times
Overload protection E8 blink 8 times
Overcurrent protection of the complete unit E5 blink 5 times
Overcurrent protection of phase current P5
blink
15 times
Desynchronizing of compressor H7 blink 7 times
Loss phase/inverse phase protection for compressor Ld / / /
Module current protection (IPM protection) H5 blink 5 times
Low voltage protection of DC bus bar PL
blink
21 times
High voltage protection of DC bus bar PH
blink
11 times
PFC protection HC blink 6 times
Limit/decrease frequency due to current protection of the complete
unit
F8
blink
8 times
Limit/decrease frequency due to module current protection (phase
current)
En / / /
Limit/decrease frequency due to discharge F9
blink
9 times
Limit/decrease frequency due to freeze protection FH blink twice blink twice
Limit/decrease frequency due to overload F6
blink
6 times
Limit/decrease frequency due to module temperature protection EU
blink
6 times
blink 6 times
Oil return under cooling F7
blink
7 times
Cold air prevention protection E9 blink 9 times
Freeze protection E2 blink twice
Module temperature protection P8
blink
Note: Please refer to service manual for the troubleshooting procedure for outdoor unit.
To Next Page
Loading...