Daikin VRV EMERION RXYQ-AATJA, Service Manual

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Troubleshooting by Error Code SiUS342303E
285 Part 6 Service Diagnosis
3.22 Blower Motor Communication Error
Applicable
Models
FXTQ-TA
Error Code
C1-07
Outline
Error is issued if transmission abnormalities occur between indoor unit and fan motor.
Error Decision
Conditions If the response message from the fan motor is an abnormal message, and determined as such by
the indoor unit, the indoor unit will execute a retry.
If everything fails for 5 seconds, it is deemed to be a transmission abnormality.
Error Reset
Conditions
If the indoor unit receives even a single normal response message from the fan motor, the error will
be cleared.
Supposed
Causes
 Incorrect or loose wiring
 Power interruption (low voltage)
Corrective
Actions
 Check wiring or tighten wiring connections if needed.
 Verify the input voltage at the motor.

Replace the indoor unit PCB or motor.