Mismatching Of Indoor Unit, Bp Unit And Outdoor Unit - Daikin Super Multi Plus D-Series Service Manual

SiEBE18-526

7.26 Mismatching of Indoor Unit, BP Unit and Outdoor Unit

UA
Remote
Controller
Display
Applicable
AII indoor unit models
Models
Method of
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
Troubleshooting
∗ The number of indoor units that can be connected to a single outdoor unit system depends on
Troubleshooting
Defect of outdoor unit PCB (A1P)
Mismatching of the refrigerant type of indoor and outdoor unit.
Setting of outdoor PCB was not conducted after replacing to spare parts PCB.
Be sure to turn off power switch before connect or disconnect connector,
Caution
or parts damage may be occurred.
Push and hold the RESET
button on the outdoor unit PCB
for 5 seconds.
Does a malfunction occur?
YES
Does the
refrigerant type of BP
and outdoor unit
match?
YES
the type of outdoor unit.
NO
NO
Troubleshooting for Outdoor Unit
Normal
Matches the refrigerant type of
indoor BP and outdoor unit.
Replace BP unit PCB or outdoor
unit PCB (A1P).
(Q0402)
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