Daikin Super Multi Plus D-Series, Service Manual

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SiEBE18-526 Troubleshooting for SkyAir Indoor Unit
Troubleshooting 283
5.13 Transmission Error (between Main and Sub Remote
Controller)
Remote
Controller
Display
U8
Applicable
Models FFQ-B, FHQ-BU
Method of
Malfunction
Detection
In case of controlling with 2- remote controller, check the system using microcomputer if signal
transmission between indoor unit and remote controller (main and sub) is normal.
Malfunction
Decision
Conditions
Normal transmission does not continue for specified period.
Supposed
Causes „
Transmission error between Main remote controller and Sub remote controller
„ Connection among “Sub” remote controllers
„ Faulty remote controller PCB
Troubleshooting
Turn the SS-1switch of one
remote control to "Main".
Turn OFF the power supply, and
restart operation
Turn OFF the power once and
restart operation.
Replace remote control PCB if
any error is generated.
Turn the SS-1switch of one
remote control to "Main".
Turn OFF the power supply, and
restart operation.
Controlling
with 2-remote control
Both SS-1
switches on remote
controls are turned
to "Sub"
SS-1switch on
remote control PCB
is turned to
"Main"
NO NO
NO
YES
YES
YES
(S2042)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.