4 Short-circuit / motor protection
4.2 Motor protection
EMS2… Electronic motor starter 10/19 MN034003EN www.eaton.com 31
4.2.6 Tripping and reset
Tripping
In the case of tripping,
• the motor starter switches off,
• the output relay switches
(connection between terminals 95 and 98 instead of between terminals
95 and 96)
• the LED ERR flashes,
• and one of the LEDs L, R or ON
lights up (depending on the previously driven operating direction).
Reset
EMS2 series motor starters have a “thermal memory”, which means that a
reset after the motor protection has tripped is possible only once a waiting
period (cooling-down time) has passed.
After the waiting period has passed, the L, R or ON LED which had previ-
ously lit up permanently prior to the error flashes (see also ￫ section 6.3,
“Resetting after an error message”, page 42).
Figure 17:Front view
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