Another Problematic Tuya Device On C8

@user5925 with the Tuya Dimmer Module driver, have you tried setting manually the "TS0505B Tuya Bulb" Device Profile?

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You can also try the Tuya Advanced Zigbee RGBW Bulb driver.

This F2 issue is a strange one. I had it with some Tuya devices, but after removing the problematic device and pairing it again, the problem disappeared.