Blower Motor Communication Error - Daikin SkyAir RZR-TA Series Service Manual

Troubleshooting by Error Codes

4.20 Blower Motor Communication Error

C1-07
Error Code
Applicable FTQ-TA
Models
Outline Error is issued if transmission abnormalities occur between indoor unit and fan motor.
Error Decision
If the response message from the fan motor is an abnormal message, and determined as such by
Conditions 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
If the indoor unit receives even a single normal response message from the fan motor, the error will
Conditions be cleared.
Supposed
 Incorrect or loose wiring
Causes  Power interruption (low voltage)
Corrective
 Check wiring or tighten wiring connections if needed.
 Verify the input voltage at the motor.
Actions
 Replace the indoor unit PCB or motor.
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SiUS281811EA
Part 6 Service Diagnosis