Capacity Setting Abnormality - Daikin RZQ Series FCQ20EVA Service Manual

SiME281501E

4.11 Capacity Setting Abnormality

AJ
Error Code
Applicable All indoor models
Models
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
Operation and:
When the capacity code is not contained in the PCB memory, and the capacity setting adaptor
Conditions
is not connected.
 Defective capacity setting adaptor connection
Supposed
 Defective indoor unit PCB
Causes
Troubleshooting
Caution Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.
The indoor unit PCB
was replaced with a spare
The capacity setting
adaptor need to be installed when
replacing the PCB.
Service Diagnosis
NO
PCB.
YES
NO
YES
Troubleshooting by Remote Controller
Replace the indoor unit PCB.
Replace the indoor unit PCB.
Install a capacity setting
adaptor.
100