Taken from work done by others (listed below) that has looped around from my initial work on using Tuya on these Fairland derivative heatpump, through to discovering Modbus and the modbus registers as ...

After updating to Node-Red 4.1.0, reading a variable via modbus no longer returns the correct value but 0 or values like 32000. The variable is read via Modbus using the "FC 3: Read Holding Registers" ...