Code 38-71 VFD Compressor Lockout - Estimator — System locked out due to repeated VFD estimator faults

What does 38-71 mean?

This lockout occurs after three continuous 'Code 38-31 VFD Compressor Fault - Estimator' events. The system will be locked out for 4 hours. This typically indicates high starting torque or potential compressor damage.

• Persistent VFD estimator faults.
• Incorrect VFD model or compressor model parameters.
• High starting torque.
• Compressor damage.

Click steps to track your progress.

1. 1

   Wait for the 4-hour lockout period to expire.

2. 2

   Address the underlying causes of Code 38-31 (e.g., verify correct VFD/compressor models, check for compressor damage).

3. 3

   Contact a qualified technician for further diagnosis and repair.