Transmission Error Between Main And Sub Remote Controllers - Daikin Super Multi Plus E-Series FTXG25EV1BW Service Manual

Troubleshooting for Outdoor Unit
7.28 Transmission Error between Main and Sub Remote
Controllers
U8
Remote
Controller
Display
Method of In case of controlling with 2 remote controllers, check the system using microcomputer if signal
transmission between indoor unit and remote controller (main and sub) is normal.
Malfunction
Detection
Malfunction Normal transmission does not continue for specified period.
Decision
Conditions
Supposed
Causes
Troubleshooting
414
Remote controller is set to "SUB" when using 1 remote controller.
Transmission error between main and sub remote controller
Connection of 2 sub remote controllers (when using 2 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 NO
controller?
YES
Is SS1 of
NO
both remote
controllers set to
"SUB"?
YES
Is SS1 of
NO
remote controller PCBs
set to "SUB"?
YES
SiBE18-821_C
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 PCB.
Set one remote controller
to "MAIN"; the power
supply off once and then
back on.
(R13048)
Troubleshooting