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Post by kolev77 on Oct 23, 2022 9:31:22 GMT
Hello guys. I have a problem with braun machine SW 9.1E, 240 working hours. When i start the machine, it begin permanent buzzer sound 1-2 sec after first intialisation and the sound conitnue, sw loaded, therapy screen or TSM screen appears. Everthing looks good but buzzer is still screaming. In TSM in SMPS test mode, appears errors of all test function instead of the battery. in the SW SMPS- window it`s only two zeros appears. When i use jumper 101, it is look little more good, than before. In TSM SMPS test mode SW version on SMPS begin to appear "9.0". And only /DIR_ON signal get error and the "BUZZER signal get error too. Other signals is ok. Can you give me some advice about it.
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Post by kolev77 on Oct 23, 2022 14:52:21 GMT
I think i have a problem with a watchdog. Try to reset with unplugged main power, and unplugged the akku but without saccess
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btech
New Member
Posts: 43
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Post by btech on Nov 7, 2022 9:59:22 GMT
Hello kolev77 have you checked the AKAL (LLC) and the AKAL_S (LLS) Try it with another Digital board. Have you checked all the fuses on the SMPS they should all light up after start except the H601 and H602 they will light up later.
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Post by kolev77 on Nov 7, 2022 13:18:25 GMT
Hi, yes I checked all the fuses, they are ok. I think I'll try with another digital board, thanks for advice. I will give you response soon.
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Post by kolev77 on Nov 10, 2022 9:33:20 GMT
It was the digital board. I changed it and everything looks good.
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btech
New Member
Posts: 43
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Post by btech on Nov 15, 2022 12:59:07 GMT
Thank you for letting us know your fix
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