Daikin Super Multi Plus E-Series - Malfunction of Transmission between Main and Sub Remote Controls

SiEN18-622 Troubleshooting for Outdoor Unit
Troubleshooting 395
7.31 Malfunction of Transmission between Main and Sub
Remote Controls
Remote Control
Display
U8
Applicable
Models
AII indoor unit models
Method of
Malfunction
Detection
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
Decision
Conditions
Normal transmission does not continue for specified period.
Supposed
Causes
 Malfunction of transmission between main and sub remote control
 Connection between sub remote controls
 Defect of remote control PCB
Troubleshooting
Caution
(V2825)
YES
YES
YES
NO
NO
NO
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Using 2-remote
controls control.
SS1of both remote
controls isset to
"SUB."
SS1 of
remote control PC boards
isset to "MAIN."
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
control PC board.
Set one remote control to
"MAIN"; the power supply
off once and then back on.