V6 VRF 50/60Hz
95
Part 6 - Diagnosis and Troubleshooting
Procedure
H0
Compressor inverter module
address setting is incorrect
Yes
Reset the compressor inverter module
address via dial switch S7 on inverter
module
1
No
Communication wire from outdoor main
PCB CN26 to inverter module CN8/CN9 is
loosen
2
Yes
Reconnect the communication wire
No
Both LED1 and LED2 on inverter module
are off when power on
3
Yes
Check the power supply circuit
4
No
Replace the outdoor main PCB, is the
malfunction solved?
Normal
No
Replace the inverter module
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