MEROSS MS310R Plug with CSE 7759b Power Meter Chip causes restarts by whatchdog on ESP12-F

Hi.

I have replaced the MRE3S chip in one MEROSS MS310R Plug with CSE 7759b Power Meter Chip whit one ESP12-F but i have repeated restarts by whatchdog.

The UART RX are on GPIO4 - D2.

With ESPHome i have same restarts and the log report "Invalid checksum from CSE7766"

Without UART settings (and no power readings) no restarts happen.

Any idea?

Tnx

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[X] Device used (e.g., Sonoff Basic): MEROSS MS310R
[X] Tasmota binary firmware version number used: 14.2.0
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arendst / Tasmota