Transmission Error Between Main And Sub Remote Controllers - Daikin REYQ-TA Series Service Manual

SiUS371614E
3.59 Transmission Error between Main and Sub Remote
Controllers
U8
Error Code
Applicable All indoor unit models
Models
Method of Error In case of controlling with 2 remote controller, 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
Causes
Troubleshooting
Service Diagnosis
Transmission error between main and sub remote controller
Connection between sub remote controllers
Defective remote controller PCB
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
Using 2 remote
controllers control.
YES
SS1 of both
remote controllers is set to
SUB.
YES
SS1 of
NO
remote controller PCB is
set to MAIN.
YES
NO
Troubleshooting by Error Code
NO
Set SS1 to MAIN; the power
supply OFF once and then
restart.
Turn the power OFF and
then restart. If an error
occurs, replace the remote
controller PCB.
Set 1 remote controller to
MAIN; the power supply
OFF once and then restart.
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