Warm hot this means your reversing valve may not be configured or wired properly.
Central heating room thermostat not working.
2 remove the thermostat s cover.
The thermostat detects the temperature of the room and compares it to the desired temperature setting.
When your thermostat says one temperature and you know the room is another it may be dirty tilted on the wall or located where it can t get a proper reading.
If the room is too warm or too cold the thermostat requests heat or air depending on the season.
1 turn the power off to the heating system.
Crank it right up and see if your boiler starts working again.
Another reason why your thermostat may not be working properly is if it s been installed in a problematic location.
A central heating thermostat is a set of controls used to regulate the output of your heating system to make sure a comfortable temperature is maintained.
There are various reasons this could be the case including if the machine is not properly adjusted.
Central heating problems can often be down to a broken thermostat that won t work.
Heating thermostats work by monitoring the average temperature of your home and sending a signal to a boiler to ensure it s never too hot or too cold.
Contact support at 1 855 733 5465 to find a pro installer in your area.
Is your thermostat in the wrong place.
Continue to the thermostat wiring section.