Eaton EMS Series User Manual

4 Device status and fault detection
4.1 Device status
Elektronischer Motorstarter EMS/Electronic Motor Starter EMS 04/15 MN03407009Z-DE/EN www.eaton.com 51
Table 7: Status LED state combinations and corresponding device statuses
State
Description LED Error acknow-
ledge
PWR R/ON L/- ERR
Off No supply voltage available off off off off –
Operational readiness
Supply voltage available on off off off –
Drive switched on Anticlockwise operation (L) on off on off –
Clockwise rotation (R) on on off off –
Internal error Internal fault –
The device needs to be replaced
on off off on not possible
External fault in control
section or peripherals
(requires servicing,
NE 44)
Bimetal function
The motor current is greater than the speci-
fied rated motor current (e.g., class 10A):
cool-down period in progress (20 minutes)!
An error has occurred during anticlockwise
operation.
on off on flashing automatic
1)
A fault occurred during clockwise rotation on on off flashing automatic
1)
The L or R LED flashes after 2 minutes
elapse: A manual reset is required
An error has occurred at anticlockwise oper-
ation.
on off flashing flashing manual
A fault occurred during anticlockwise rota-
tion
on flashing off flashing manual
Error while attempting to determine the
system state: incorrect checksum
The bimetal function‘s thermal memory will
be set to the maximum value.
The error must be acknowledged manually
even during automatic operation.
on flashing flashing flashing manual
Balance
The motor currents are different from each
other by more than 33 %.
on off off flashing manual
Block
The maximum measurable motor current is
exceeded for more than 2 seconds.
The motor has stalled during anticlockwise
operation.
on off flashing flashing manual
The motor has stalled during clockwise oper-
ation.
on flashing off flashing manual
msg
(the power path remains
connected)
Message with control signal present
• Two or more phases are missing
• No connected motor
• The motor current is lower than the
minimum configurable current for more
than 2 seconds on at least two phases
The message is sent during anticlockwise
operation
flashing off on flashing automatic
2)
The message is sent during clockwise opera-
tion
flashing on off flashing automatic
2)
1) Link between RES and AUT terminals
2) No additional action required

Eaton EMS Series Specifications

General

Model	EMS Series
Category	Controller
Manufacturer	Eaton
Operating Temperature Range	-20° to +70°C
Certifications	UL, CE, RoHS