8 Troubleshooting
EN 48
YASKAWA Europe
TOEP C710606 50B - AC Drive L1000V - Quick Start Guide
Auto-Tuning Errors
A contradictory setting is assigned to multi-func-
tion contact inputs H1-03 through to H1-08.
• The same function is assigned to two inputs
(this excludes “External fault” and “Not used”).
• An input function that must be set in combina-
tion with another function was set alone.
• Input functions that are not allowed to be used
simultaneously have been set.
Fix any incorrect settings.
A function has been set that cannot be used in the
control mode selected (this error often appears
after the control mode has been changed).
Fix any incorrect setting.
The V/f pattern setting is incorrect.
Check the V/f pattern settings.
Digital
Operator
Cause
Corrective Action
Motor data fault
The input motor data are not valid. (e.g. the base
frequency and base speed do not fit).
Re-enter the data and repeat Auto-Tuning.
Minor Fault
• The wiring is faulty.
• Drive was in baseblock condition or the Safe
Disable Input were open during Auto-Tuning.
Check the wiring.
The STOP key was pressed and Auto-Tuning
was canceled.
Repeat the Auto-Tuning.
Resistance fault
• Wrong input data.
• Auto tuning exceeded the given time frame.
• Calculated values out of range.
• Check the input data.
• Check the wiring.
• Re-enter the data and repeat the Auto-Tuning.
No-Load Current Error
• Wrong input data.
• Auto tuning exceeded the given time frame.
• Calculated values out of range.
Rated Slip Error
• Wrong input data.
• Auto tuning exceeded the given time frame.
• Calculated values out of range.
Acceleration Error
The motor did not accelerate following the spec-
ified acceleration ramp.
• Lengthen the acceleration ramp. Increase C1-01
if set in s.
• Check the torque limits L7-01 and L7-02.
Digital
Operator
Possible Cause
Corrective Action
oPE03
oPE08
oPE10
Er-01
Er-02
Er-03
Er-04
Er-05
Er-08
Er-09
