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Error code: 122F
PF motor lock error
The PF Motor was driven at a speed abnormally slower than a predetermined one during operation.
CR Encoder cable disconnection.
CR Motor cable disconnection.
PF Encoder failure.
PF Motor failure.
Check points :
Is there any problems such as damaged cable in the CR Encoder to SUB Board connections?
Is there any problems such as damaged cable in the CR Motor to SUB-M Board connections?
Does the PF Encoder work properly?
Replace the PF Encoder.
Replace the PF Motor.