The error message “HI” on a TH115 thermostat occurs when the measured temperature is above its display range and heating is deactivated.
The error message “HI” on a TH115 thermostat occurs when the measured temperature is above its display range and heating is deactivated.
Using self-lever or thinset depends on the type of flooring being installed and preference.
The ‘Output Fault Detected’ message on a 3iE Thermostat likely indicates a wiring or installation issue. Consult the manual or call technical support to resolve.
Upon completion of a repair it is completely safe to apply thinset and tile. Read more.
Learn why delayed heating occurs in under‑floor systems and how insulation, sub‑floor type, and heat loss affect performance.
If your floor is not heating, you should contact your electrician to do proper troubleshooting. Click “Read More” for details.
The clicking noises are the relay opening and closing to let the power through to the heating system. While it should be hardly noticeable, it can be reduced by insulating the surrounding of the electrical box in which it is mounted. You should also ensure that the screws mounting both the box and the thermostat are tight.
It could also mean that your thermostat is connected to the internet but you have not registered the device as a room on the myheating app or the my.warmup portal. In this instance, you will need to gather your 4iE’s device number and enter a room at your location on your profile.
Heater error will occur if the heating system is not properly wired to the thermostat. Please click “Read More” for details.
“Draw an installation plan showing the placement of the mats, floor sensor, and lead wire(s) to the thermostat. The Warmup Foil heating system should be at least 6″” away from walls for laminate and 12″” away for carpet. “