Transmission Error Between Main And Sub Remote Controllers - Daikin VRV EMERION RXYQ-AATJA Service Manual

Troubleshooting by Error Code
3.65 Transmission Error between Main and Sub Remote
Controllers
Applicable
All indoor unit models
Models
U8
Error Code
Method of Error
In case of controlling with 2 remote controllers, check the system using microcomputer if signal
Detection transmission between indoor unit and remote controller (main and sub remote controller) is normal.
Error Decision
When transmission is not carried out normally for a certain amount of time.
Conditions
Supposed  Transmission error between main and sub remote controller
Causes  Connection between sub remote controllers
 Defective remote controller PCB
Troubleshooting
Reference
Refer to page 81 for Main/Sub setting.
355
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Using 2 remote NO
controllers control.
YES
Main/Sub
NO
setting of both remote
controllers are set to
Sub.
YES
Main/Sub
NO
setting of the remote
controller is set to
Main.
YES
SiUS342303E
Set Main/Sub setting of the
remote controller to Main.
Turn OFF the power supply,
and restart operation.
Turn the power OFF and
then restart. If an error
occurs, replace the remote
controller PCB.
Set Main/Sub setting of one
remote controller to Main.
Turn OFF the power supply,
and restart operation.
Part 6 Service Diagnosis