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What is the trouble with a M241 PLC product sample manufactured DOM < week 1543 when LED status is POWER green fix and ERR red blinking and the M241 is no more operational after a power Off/On ?

M241 PLC sample having such behavior has lost its firmware files.
This could happen with a low occurrence at the power ON of a M241 PLC with any product sample manufactured and labeled as SV2.11
In such a case we need to download the firmware version V4.0.2.52  (firmware files available on http://www.schneider-electric.com ), this operation “recover” the faulty M241 and avoid such issue to happen again
 
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