The time limiter / counter microprocessor disabled the device (2 handles) after a certain number of sessions. What should I change in the code to switch on device again? Manufacturer offered to buy new handles, I’ve requested to send me 2 new microprocessors instead (1 per handle). They refused. Manufacturer did not disclose that the device has time limiter when they were selling it.
Those aren't microprocessors. Those are 256-byte (2k-bit) EEPROM chips. From the factory, they will be all '0xFF' so setting them back to all 0xFF might be enough to reset the session counter.
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Thank you so much! 
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