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.
Troubleshooting
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. “
Ground Fault protection is a must, especially with bathroom and other “wet” installations. Are you covered? Click “Read More” for the answer.
For tips for connecting and programming your system click “Read More”.
Ensure you have created your account and registered the thermostat using the Device Number. Click “Read More” for details.
This page explains why Warmup does not recommend you cut the wire for any reason and provides solutions to having too much cable.
Instead, try pulling the cable off the mesh and spacing the cable every 2 or 2.5 inches apart. Consult your installation manual with further questions regarding where the cable or mat can be run.
That “Ground Fault” error on your thermostat after several years could indicate your floor heating system had been damaged during installation. Click “Read More” to learn why.