Digital Operator Display Error Name
End7 No-Load Current Alarm
Cause Possible Solutions
The entered no-load current value was
outside the allowable range.
Check and correct faulty motor wiring.
Auto-Tuning results were less than 5% of
the motor rated current.
Double-check the data entered for the Auto-Tuning process.
Digital Operator Display Error Name
Er-01 Motor Data Error
Cause Possible Solutions
Motor data or data entered during
Auto-Tuning was incorrect
.
• Check
that the motor data entered to T1 parameters matches motor nameplate input before Auto-Tuning.
• Restart Auto-Tuning and enter the correct information.
Motor rated power and motor-rated current
settings (T1-02 and T1-04) do not match.
• Check the drive and motor capacities.
• Correct the settings of parameters T1-02 and T1-04.
Motor rated current and detected no-load
current are inconsistent.
• Check the motor rated current and no-load current.
• Correct the settings of parameters T1-04 and E2-03.
Base frequency and motor rated speed
(T1-05 and T1-07) do not match.
• Correct the settings of parameters T1-05 and T1-07.
• Check that the correct number of poles were entered to T1-06.
Digital Operator Display Error Name
Er-02 Minor Fault
Cause Possible Solutions
An alarm was triggered during Auto-
Tuning.
Exit the Auto-Tuning menu, check the alarm code, remove the alarm cause, and repeat Auto-Tuning.
Motor data entered during Auto-Tuning
was incorrect.
• Check that the motor data entered matches the motor nameplate input before performing Auto-Tuning
(T1-02 to T1-07).
•
Restart Auto-Tuning and enter the correct information.
Faulty cable connection
The load is too heavy
• Check and correct faulty motor wiring.
• Check the vicinity of the machine.
• Check the load conditions.
• Investigate and correct the cause and then reset the fault.
Digital Operator Display Error Name
Er-03 STOP Button Input
Cause Possible Solutions
Auto-Tuning canceled by pressing STOP
button.
Auto-Tuning did not complete properly. Restart Auto-Tuning.
Digital Operator Display Error Name
Er-04 Line-to-Line Resistance Error
Cause Possible Solutions
Motor data entered during Auto-Tuning
was incorrect.
• 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.
Results from Auto-Tuning are outside the
parameter setting range or the tuning
process took too long.
Check and correct faulty motor wiring.
Faulty motor cable or cable connection.
5.5 Auto-Tuning Fault Detection
206
YASKAWA ELECTRIC TOEP C710616 41G YASKAWA AC Drive - A1000 Quick Start Guide
To Next Page
Loading...
Need help?
General
