Daikin R407C PLUS - Malfunction of Transmission between Master and Slave Remote Controllers

Troubleshooting Si33-105
186 Troubleshooting R407C PLUS Series Heat Recovery System
3.30 Malfunction of Transmission Between Master and Slave
Remote Controllers
Remote
Controller
Display
U8
Supposed
Causes
!
Malfunction of transmission between main and sub remote controller
!
Connection between sub remote controllers
!
Defect of remote controller PC board
Troubleshooting
(VF057)
SS1
of both remote controllers is
set to "SUB".
Set SS1 to "MAIN"; the power
supply off once and then back
on.
Set one remote controller 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.
YES
YES
YES
NO
NO
NO
Using 2-remote controllers
control.
SS1 of remote
controller PC boards is
set to "MAIN".
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.