Troubleshooting by Indication on the Remote Controller
Caution Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
Continued from the previous page
In confirmation of malfunction 4,
LED lamp indicates as follows:
Start operation of all the indoor units.
Check if all the units
Check if more than
2 minutes passed since
Make a diagnosis again based
on the indication in 2 minutes or
The indoor units PCB indicating
U9 " are normal.
Check the indoor units in the
other circuits to diagnose failure
according to the corresponding