Defective Capacity Setting - Daikin SkyAir RZR-TA Series Service Manual

SiUS281811EA

4.18 Defective Capacity Setting

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.
A capacity that does not exist for that unit is set.
Conditions
Supposed
 Defective capacity setting adaptor connection
Causes  Defective indoor unit PCB
Troubleshooting
Part 6 Service Diagnosis
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
Troubleshooting by Error Codes
Replace the indoor unit control
PCB (A1P).
Install a capacity setting
adaptor.
Replace the indoor unit control
PCB (A1P).
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