Defective Capacity Setting - Daikin VRV X RXQ6-48ANR Series Service Manual

Troubleshooting by Error Code

5.12 Defective Capacity Setting

Applicable All indoor unit models
Models
AJ
Error Code
Method of Error Capacity is determined according to resistance of the capacity setting adaptor and the memory
Detection inside the IC memory on the indoor unit PCB, and whether the value is normal or abnormal is
determined.
Error Decision
The capacity code is not saved to the PCB, and the capacity setting adaptor is not connected.
Conditions A capacity that does not exist for that unit is set.
Supposed  The capacity setting adaptor was not installed.
Causes  Defective indoor unit PCB
Troubleshooting
176
Be sure to turn off the power switch before connecting or disconnecting
Caution connectors, or parts may be damaged.
The
indoor unit PCB was replaced
with a spare PCB.
YES
The
capacity setting
adaptor was installed when
replacing the PCB.
YES
NO
NO
SiME341909EA
Replace the indoor unit control
PCB (A1P).
Install a capacity setting
adaptor.
Replace the indoor unit control
PCB (A1P).
Part 6 Service Diagnosis