EM-0146-8
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Table 7.2c Measures Against Alarms
Alarm
Name
Description
Cause
Remedy
E.FIn Fin
Overheat
The cooling fin of the AMSE
controller has overheated.
1) Ambient
temperature around
the AMSE controller
is high.
2) The cooling fin has
been clogged.
3) The cooling fan has
stopped.
1) Check that the ambient
temperature is as specified.
2) Clean the cooling fin.
3) Replace the cooling fan.
E.OL
Γ
Stall
Prevention
The operation has been
stopped by the torque
limiting function.
Overload.
Reduce the load.
Operation at zero
rotation.
Avoid operating at near-zero
rotation.
Rapid deceleration.
Increase the deceleration time.
E.OC3 Overcurrent
The current level has
exceeded the specified
current value.
Output short circuit.
Check the wiring.
E._GF
Ground Fault
Overcurrent on
the Output Side
A ground fault has occurred
on the output side of the
AMSE controller.
Restore the section where the
ground fault has occurred.
E.ILF
Input
Open-phase
One of the three input
power phases has opened.
Disconnection of the
3-phase power cable.
Check the wiring.
E.PUE
PU
Disconnection
Interruption of
communication between
the operation panel and the
PU terminals.
Disconnection of the
operation panel.
Setting of the setting
parameter “P_75:
Reset” at “2,” “3,” “16,”
or “17.”
Reset “P_75” to “0,” “1,” “14,” or “15”
so that the operation continues when
the operation panel is disconnected.
