Transmission Error (Between Main And Sub Remote Controller) - Daikin Super Multi Plus D-Series Service Manual

SiEBE18-526
5.13 Transmission Error (between Main and Sub Remote
Controller)
U8
Remote
Controller
Display
Applicable
FFQ-B, FHQ-BU
Models
Method of
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
Detection
Malfunction
Normal transmission does not continue for specified period.
Decision
Conditions
Supposed
Causes
Troubleshooting
Troubleshooting
Transmission error between Main remote controller and Sub remote controller
Connection among "Sub" remote controllers
Faulty remote controller PCB
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Controlling NO
with 2-remote control
YES
Both SS-1
NO
switches on remote
controls are turned
to "Sub"
YES
Troubleshooting for SkyAir Indoor Unit
SS-1switch on
NO
remote control PCB
is turned to
"Main"
YES
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.
(S2042)
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