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Reply to "Problems with TAG Heuer Chronoprinter 540"

Your timer has a bad communication board in the worse case.



Actually fairly common issue with CP540

From TAG troubleshooting guide

Soft Error 10 ERROR_MRTX_FWT_TIMEOUT Input board communication trouble. Simple communication trouble with no Hardware influence. Load T firmware only. or this could be a hardware problem if message reappear after a new start.

We do have rebuilt CP 540 in stock if you need one.

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