Daikin FXSQ63P7VEB [233/370] Capacity determination device abnormality

Daikin FXSQ80PVE [233/370] Capacity determination device abnormality
SiBE311209 Troubleshooting by Indication on the Remote Controller
Service Diagnosis 224
4.8 Capacity Determination Device Abnormality
Remote
Controller
Display
AJ
Applicable
Models
All indoor unit models
Method of Error
Detection
Capacity is determined according to resistance of the capacity setting adaptor and the memory
inside the IC memory on the indoor unit PCB, and whether the value is normal or abnormal is
determined.
Error Decision
Conditions
When the capacity code is not saved to the PCB, and the capacity setting adaptor is not
connected
When a capacity that does not exist for that unit is set
Supposed
Causes
The capacity setting adaptor was not installed.
Defective indoor unit PCB
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
YES
Replace the indoor unit PCB.
YES
NO
Replace the indoor unit PCB.
Install a capacity setting adaptor.
The indoor unit
PCB was replaced
with a spare PCB.
The capacity
setting adaptor
need to be installed
when replacing the
PCB.

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