Installation Error - Daikin CTX Series Service Manual

Troubleshooting
4.9

Installation error

UA
Error Code
Method of Error
The supply power is detected for its requirements (pair type is different from multi type) by the
Detection indoor/outdoor transmission signal.
Error Decision The pair type and multi type are interconnected.
Conditions
 Wrong models interconnected
Supposed
 Wrong wiring of connecting wires
Causes
 Wrong indoor unit PCB or outdoor unit PCB mounted
 Defective indoor unit PCB
 Defective outdoor unit PCB
Troubleshooting
64
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Caution
Check the combination of the
indoor and outdoor unit.
OK?
YES
Are the
connecting wires
connected properly?
YES
NO
NO
DAMA-SM-21-003
Match the compatible models.
Correct the connection.
Check the part numbers of the
indoor and outdoor unit PCB
with the Parts List.
If not matched, change for the
correct PCB.
Service Diagnosis