BMW ICOM A2 System LED Turns Red and Flashes Always(SOLVED)

Symptom:

BMW diagnostic mux ICOM A2 System LED stays red and flashes/blink always. No problem exists after self-test and firmware update.

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Solution 1:
1)-rehot hot a?r gun th?s ?c ..
2)-?f no, replace or change new one ..
3)-problem that ?c..

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Solution 2:
Solution of the problem with the nonexistent fun. LED is again green.
The pulse generator to buying on auctions.
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NOTE: it’s technical, so if you are not experienced, please be careful to try this; otherwise, you may destroy your Car Diagnostic Tool ICOM mux.