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Mitsubishi Electric FR-A700 Instruction Manual Page 422

Fr-a700 series to 03460-na/09620-na/00330-n4/00170-n4.
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Causes and corrective actions
Operation Panel
Indication
Name
Description
Check point
Corrective action
Operation Panel
Indication
Name
Description
Corrective action
CAUTION
• If protective functions of E.ILF, E.PTC, E.PE2, E.EP, E.OD, E.CDO, E.IOH, E.SER, E.AIE, E.USB are activated when using the
FR-PU04, "Fault 14" appears.
Also when the alarm history is checked on the FR-PU04, the display is "E.14".
• If alarms other than the above appear, contact your sales representative.
412
E.11
Opposite rotation deceleration error
The speed may not decelerate during low speed operation if the rotation direction of the speed
command and the estimated speed differ when the rotation is changing from forward to reverse or from
reverse to forward during torque control under real sensorless vector control. At this time, the inverter
output is stopped if the rotation direction will not change, causing overload.
Check that the rotation direction is not switched from forward to reverse rotation (or from reverse to
forward) during torque control under real sensorless vector control.
· Prevent the motor from switching the rotation direction from forward to reverse (or from reverse to
forward) during torque control under real sensorless vector control.
· Please contact your sales representative.
E.13
Internal circuit error
Appears when an internal circuit error occurred.
Please contact your sales representative.
FR-PU04
Fault 11
FR-PU07
FR-PU04
Fault 13
FR-PU07

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