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Yaskawa SmartTrac AC1 User Manual

Page 46

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SMART TRAC AC1

4-26

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Smart Trac AC1 Installation Technical Manual TM 3554-000

Auto-Tuning Faults and Corrective Actions

Digital Operator Display

Description

Corrective Action

Tune aborted-Motor Speed

Torque reference exceeded
100% during auto-tuning.

Uncouple motor from load.

Increase acceleration time
(C1-01).

Check input data, especially
the encoder PPR
(parameter F1-01).

Tune aborted-Over Load
(Displayed after completion
of tuning)

Torque reference exceeded
20% during auto-tuning

Uncouple motor from load.

Increase acceleration time
(C1-01)

Check input data, especially
the encoder PPR (F1-01).

Tune aborted-Minor Fault:
XXX

A minor drive fault occurred. Check for specific minor

Power Conversion Unit fault
indicated by "XXX." (See
"Smart Trac Fault Codes
Technical Manual."

Tune aborted-PG Circuit

PG cable wires are
disconnected.

Pulse generator is
disconnected from the PG
card. Check PG wiring.