Eaton EMS2 Series Manual page 45

LED
PWR ERR L / (–) R / (ON)
Table 11: Status messages – combination of four LEDs
Status
Off
Ready for operation
Drive switched on
Drive switched on
Internal error
Motor protection tripped during
counterclockwise operation
￫ section 4.2, "Motor protec-
tion", page 27
Motor protection tripped during
counterclockwise operation
￫ section 4.2, "Motor protec-
tion", page 27
Motor protection tripped during
clockwise operation
￫ section 4.2, "Motor protec-
tion", page 27
Motor protection tripped during
clockwise operation
￫ section 4.2, "Motor protec-
tion", page 27
Bad checksum
Asymmetrical phase current
Motor is stalled
(counterclockwise operation)
Motor is stalled
(clockwise operation)
• Phase failure
• No motor connected
• Motor current < I for longer
min
than 2 s
• Phase failure
• No motor connected
• Motor current < I for more
min
than 2 s
EMS2... Electronic motor starter 10/19 MN034003EN www.eaton.com
6.1 LEDs on the front of the device
Description
No control voltage U present
S
Control voltage U present
S
Counterclockwise operation (L)
Clockwise operation (R or ON)
Device needs to be replaced
Motor protection in cooling-down
phase,
reset not possible.
Cooling-down phase concluded,
manual reset possible
Motor protection in cooling-down
phase,
Reset not possible.
Cooling-down phase concluded,
manual reset possible
Error during system recovery. The ther-
mal memory of the motor protection
function is set to the maximum value.
The error must be manually acknowl-
edged in automatic mode.
The currents in the phases deviate
from one another by more than 33%.
The maximum measurable motor
current is exceeded for longer than 2 s.
The maximum measurable motor
current is exceeded for longer than 2 s.
Error has occurred during counter-
clockwise operation. The power circuit
is still connected.
Error has occurred during clockwise
operation. The power circuit is still
connected.
6 Status messages
Reset
–
–
–
–
Not possible
Manually after a cooling-down time
of approx. 2 min;
automatically after approx. 20 min
with a bridge between AUT and RES
Manually after a cooling-down time
of approx. 2 min;
automatically after approx. 20 min
with a bridge between AUT and RES
Manually after a cooling-down time
of approx. 2 min;
automatically after approx. 20 min
with a bridge between AUT and RES
Manually after a cooling-down time
of approx. 2 min;
automatically after approx. 20 min
with a bridge between AUT and RES
Manual
Manual
Manual
Manual
Automatic, as soon as the error has
been remedied
Automatic, as soon as the error has
been remedied
41