Malfunction Of Transmission Between Main And Sub Remote Controls; Malfunction Of Transmission Between Main And Sub Remote Controls - Daikin E-Series Service Manual

SiENBE18-621
7.31 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
" Malfunction of transmission between main and sub remote control
Supposed
" Connection between sub remote controls
Causes
" Defect of remote control PCB
Troubleshooting
Troubleshooting
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Using 2-remote
controls control.
YES
SS1
of both remote controls is
set to "SUB."
YES
SS1
NO
of remote control PC boards
is set to "MAIN."
YES
NO
Troubleshooting for Outdoor Unit
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 PC board.
Set one remote controller to
"MAIN"; the power supply off
once and then back on.
(V2825)
343