Daikin REYQ96 - 4.5 “MC” Address Duplication, Improper Setting

Troubleshooting (OP: Central Remote Controller) SiUS39-602
194 Troubleshooting
3. Troubleshooting (OP: Central Remote Controller)
3.1
“
M1
”
PC Board Defect
Remote
Controller
Display
M1
Applicable
Models
Central remote controller
Method of
Malfunction
Detection
Detect an abnormality in the DIII-NET polarity circuit.
Malfunction
Decision
Conditions
When + polarity and - polarity are detected at the same time.
Supposed
Causes

Defect of central remote controller PC board
Troubleshooting
Turn off the power once and
turn on again.
Return to normal?
YES
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
External factor other than
malfunction (for example,
noise etc.).
Replace the central remote
controller.
(V3064)
NO