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Auto-tuning faults and corrective actions – Yaskawa SmartTrac AC1 User Manual

Page 45

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SMART TRAC AC1

Technical Manual TM 3554-000 Smart Trac AC1 Installation

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4-25

Recording Settings Using the Programming Menu

Description

Key Sequence

Digital Operator

Display

Write value to memory by pressing

Entry Accepted

briefly, then

Number of Poles

E2-04= 4

Parameters E2-05 to E2-
09: (see table)

Auto-Tuning Faults and Corrective
Actions

Auto-Tuning Faults and Corrective Actions

Digital Operator Display

Description

Corrective Action

Tune aborted-Data Invalid

Motor data is not correct.

Check the motor data
entered.

Check the drive and motor
capacities.

Tune aborted-Resistance

Line-to-line resistance not
within tolerance.

Tune aborted-No-Load
Current

No-load current
(magnetizing current) not
within tolerance.

Tune aborted-Sat Coef 1

Iron core saturation
coefficient 1 not within
tolerance.

Tune aborted-Sat Coef 2

Iron core saturation
coefficient 2 not within
tolerance.

Tune aborted-Rated slip

Rated slip not within
tolerance.

Check the motor data
entered.

Check the motor wiring.

Tune aborted-Accelerate

Motor did not accelerate in
the specified time.

Increase acceleration time
(parameter C1-01).

Increase torque limit values
(parameter L7_01, -02) if
they are reduced from
factory settings.

Tune aborted-PG Direction

Encoder phasing opposite
that of motor phasing.

Swap two motor leads.

OR

Swap channels on the input
to the PG card