PID mode initially set to off on existing thermostats, and not updating when set to auto by the service

[Motik68]

Describe the bug On reboot, existing thermostats have pid_mode set to off and actually work in on/off mode.

Calling the smart_thermostat.set_pid_mode service with mode: auto correctly puts the thermostat on PID mode (confirmed by observing the PID values). However, the pid_mode attribute keeps returning off instead of auto.

To Reproduce Update to 2023.1.0

Expected behavior

• Thermostats should stay in the previous PID mode on restart.
• The pid_mode attribute should reflect the actual PID mode.

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[bigbread59]

Bug confirmed.

Additional question: Is it possible to set the pid_mode via yaml file like pid_mode: "auto"

If I try, I get this message:

Invalid config for [climate.smart_thermostat]: [pid_mode] is an invalid option for [climate.smart_thermostat]. Check: climate.smart_thermostat->pid_mode. (See ?, line ?).

[Motik68]

I confirm the fix in 2023.1.1 is working, although on first restart pid_mode was still off. Once changed to auto by manually calling the service, everything is ok.

[ScratMan]

Yes, pid_mode is part of the restored parameters, so unfortunately we need to set it back to auto manually after fixing the bug.