A frustrating problem that manifested itself in a non-repeatable way. Sharing here so as to help anyone else encountering this issue.
The ME1115 would fail to start with the below error:
DSP Encoder Fault 0x52C1
Encoder Input wire-off is detected
This motor has a small sensor used to measure the position of the rotor:
RMB29AC01SS1
*There is a small compartment on the end of the motor, opposite the drive shaft, housing this sensor.
This sensor had started to corrode. A new sensor had to be ordered and installed to resolve. See attached picture. I used GE All Purpose Silicon to reseal the sensor compartment.
Ryan R.
Sent from my Verizon, Samsung Galaxy smartphone
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