U8" Malfunction Of Transmission Between Main And Sub Remote Controls - Daikin ERSQ 011AAV1 Service Manual

Troubleshooting by Indication on the Remote Controller
3.59 "U8 " Malfunction of Transmission between Main and Sub
Remote Controls
U8
Remote Control
Display
Applicable
AII indoor unit models
Models
Method of
In case of controlling with 2-remote control, check the system using microcomputer if signal
transmission between indoor unit and remote control (main and sub) is normal.
Malfunction
Detection
Malfunction
Normal transmission does not continue for specified period.
Decision
Conditions
Supposed
Causes
Troubleshooting
202
Malfunction of transmission between main and sub remote control
Connection between sub remote controls
Defect of remote control PC board
Be sure to turn off power switch before connecting or disconnecting
Caution
connector, otherwise parts may be damaged.
Using
2-remote controls control.
YES
SS1 of both
remote controls is set to
"SUB."
YES
SS1 of remote
NO
control PC boards is set to
"MAIN."
YES
NO
ESIE09-08
NO
Set SS1 to "MAIN"; the
power supply off once and
then back on.
Turn the power off and then
back on. If a malfunction
occurs, replace the remote
controller
Set one remote control to
"MAIN"; the power supply off
once and then back on.
(V2825)
Troubleshooting