3 Commissioning
3.2 Device status
Electronic motor starter EMS-...-SWD
12/18 MN034002ZU-DE/EN
www.eaton.com
61
The following table shows the various LED combinations together with their
corresponding device states and error acknowledgement details.
Table 10: LED indication on the device
LED indicators
Device status
Description
Error
acknowledgment
Ready R/ON
L
ERR
off
No supply voltage U
AUX
, U
POW
available
–
Ready for operation
Power supply present
–
Drive switched on
Anticlockwise operation
–
Run Forward
Internal error
Internal error:
Device needs to be replaced.
not possible
External fault in the control
section or peripherals (
￫
servicing required)
Bi-metal function: The motor current is greater than the
specified rated motor current (e.g., class 10A).
Cooling-off time is running (20 minutes).
An error has occurred at anticlockwise operation.
automatic
1)
An error has occurred at clockwise rotation
automatic
1)
After 2 minutes elapse, the
L
,
R
, or
ON
LED will flash:
The error can be manually reset.
An error has occurred at anticlockwise operation.
Manual
An error has occurred at clockwise rotation
Manual
Error when attempting to establish system status:
bad checksum. The bi-metal function's thermal memory
will be set to the maximum value. The error must be
acknowledged in automatic mode as well.
Manual
Symmetry:
the motor currents differ from each other by more than
33%.
Manual
