YASKAWA Z1000 User Manual page 230

5.7 Auto-Tuning Fault Detection
HOA Keypad Display
Er-02
Cause
An alarm was triggered during Auto-Tuning
HOA Keypad Display
Er-03
Cause
Auto-Tuning canceled by pressing the OFF button Auto-Tuning did not complete properly. Restart Auto-Tuning.
HOA Keypad Display
Er-04
Cause
Motor data entered during Auto-Tuning was
incorrect
Results from Auto-Tuning are outside the
parameter setting range or the tuning process took
too long
Faulty motor cable or cable connection
HOA Keypad Display
Er-05
Cause
Motor data entered during Auto-Tuning was
incorrect
Results from Auto-Tuning are outside the
parameter setting range or the tuning process took
too long
HOA Keypad Display
Er-08
Cause
Motor data entered during Auto-Tuning was
incorrect
Results from Auto-Tuning are outside the
parameter setting range or the tuning process took
too long
HOA Keypad Display
Er-09
Cause
The motor did not accelerate for the specified
acceleration time
HOA Keypad Display
Er-12
Cause
One of the motor phases is missing:
(U/T1, V/T2, W/T3)
The current exceeded the current rating of the drive • Check motor wiring for a short between motor lines.
The current is too low
Attempted Auto-Tuning without motor connected
to the drive
Current detection signal error
230
Minor Fault
Exit the Auto-Tuning menu, check the alarm code, remove the alarm cause, and restart Auto-Tuning.
OFF Button Input
Line-to-Line Resistance Error
• Make sure motor data entered to T1-oo match motor nameplate information.
• Restart Auto-Tuning and enter the correct information.
Check and correct faulty motor wiring.
No-Load Current Error
• Make sure motor data entered to T1-oo match motor nameplate information.
• Restart Auto-Tuning and enter the correct information.
Check and correct faulty motor wiring.
Rated Slip Error
• Make sure motor data entered to T1-oo match motor nameplate information.
• Restart Auto-Tuning and enter the correct information.
Check and correct faulty motor wiring.
Acceleration Error
• Increase the acceleration time (C1-01).
• Disconnect the machine from the motor if possible.
Current Detection Error
Check motor wiring and correct any problems.
• Close any magnetic contactors used between motors.
• Replace the control board or the entire drive. For instructions on replacing the control board, contact
Yaskawa or your nearest sales representative.
Connect the motor and restart Auto-Tuning.
Replace the control board or the entire drive. For instructions on replacing the control board, contact
Yaskawa or your nearest sales representative.
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YASKAWA TOEP YAIZ1U 03B YASKAWA AC Drive – Z1000 User Manual