Service manual

Error Codes: System Malfunctions ESIE03–01
3–64 Part 3 – Troubleshooting
3
1
3
4
5
Troubleshooting To troubleshoot, proceed as follows:
Caution Be sure to turn off power switch before connecting or disconnecting the connector, or parts damage
may occur.
Check power
Is U1
displayed on the
remote controller?
Phases are not
correct.
Replace outdoor
unit PCB.
No
Yes
L1-L2-L3= 400V –10%
L1-N= 230V –10%
L2-N= 230V –10%
L3-N= 230V –10%
Does the power
correspond with
previous data?
Correct power
supply.
1. Turn the power off.
2. Change L1-L2 or L2-L3.
3. Turn the power on.
No
Yes