YASKAWA Z1000U Technical Manual page 233

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
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
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.
6.7 Auto-Tuning Fault Detection
Error Name
Possible Solutions
Error Name
Possible Solutions
Error Name
Possible Solutions
Error Name
Possible Solutions
Error Name
Possible Solutions
Error Name
Possible Solutions
Error Name
Possible Solutions
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