YASKAWA iQpump1000 User Manual page 291

HOA Keypad Display
End7
Cause
The entered no-load current value was outside the
allowable range.
Auto-Tuning results were less than 5% of the
motor rated current.
HOA Keypad Display
Er-01
Cause
Motor data or data entered during Auto-Tuning
was incorrect
.
Motor output power and motor-rated current
settings (T1-02 and T1-04) do not match.
Motor rated current and detected no-load current
are inconsistent.
HOA Keypad Display
Er-02
Cause
An alarm was triggered during Auto-Tuning.
HOA Keypad Display
Er-03
Cause
Auto-Tuning canceled by pressing STOP 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.
The load was too high during Rotational Auto-
tuning.
YASKAWA TOEP YAIP1W 01F YASKAWA AC Drive - iQpump1000 User Manual
No-Load Current Alarm
Check and correct faulty motor wiring.
Double-check the data entered for the Auto-Tuning process.
Motor Data Error
• Check that the motor data entered to T1 parameters matches motor nameplate input before Auto-
Tuning.
• Restart Auto-Tuning and enter the correct information.
• Check the drive and motor capacities.
• Correct the settings of parameters T1-02 and T1-04.
• Check the motor rated current and no-load current.
• Correct the settings of parameters T1-04 and E2-03.
Minor Fault
Exit the Auto-Tuning menu, check the alarm code, remove the alarm cause, and repeat Auto-Tuning.
STOP Button Input
Line-to-Line Resistance Error
• Make sure the data entered to the T1 parameters match the information written on the motor
nameplate.
• Restart Auto-Tuning and enter the correct information.
Check and correct faulty motor wiring.
No-Load Current Error
• Make sure the data entered to the T1 parameters match the information written on the motor
nameplate.
• Restart Auto-Tuning and enter the correct information.
• Check and correct faulty motor wiring.
• Perform Rotational Auto-Tuning.
• Disconnect the motor from machine and restart Auto-Tuning. If motor and load cannot be
uncoupled make sure the load is lower than 30%.
• If a mechanical brake is installed, make sure it is fully lifted during tuning.
5.5 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
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