V5 X VRF 50/60Hz
201608 67
Part 5 - Diagnosis and Troubleshooting
Procedure 4.10.4
Some outdoor units in the system are
powered off
1
Power on all the outdoor units
The power supply is abnormal
Check the power supply equipment
Troubleshoot as for an E0 error
2
Notes:
1. Check LED1 on the main PCB. If LED1 is on, the main PCB is powered on, if LED1 is off, the main PCB is powered off. Refer to Figure 5-2.2 in Part 5, 2.3.1
“Layout”.
2. See Part 5, 4.2 “E0 Troubleshooting”.