Stop first if
- The ground-fault device keeps tripping, or the floor is wet near the connections.Do not keep resetting it. Shut off power only if it can be done without risk. Call a licensed electrician.
- Water stands near heating connections, or a wet floor gives a tingle.Stay off the floor. Shut off power only if it can be done without risk. Call a licensed electrician.
- Embedded heating tubing is leaking.Do not cut into the floor. Call a licensed heating contractor.
01
Ask on the call
6Homeowner? These are the questions a good technician will ask you. Having the answers ready makes the first visit count.
- What does the thermostat show?
- Does the ground-fault device trip?
- Is a rug or furniture sitting on the heated area?
- Is the slab on grade, and is it insulated?
- What covering is on the heated floor?
- Do you have the install log and cable tag?
02
Bring
4- Infrared thermometer
- Multimeter for a licensed pro
- Insulation tester for a licensed pro
- Phone for photos
03
Check on site
6- Collect the install record, cable tag, test log, sensor photos and thermostat details.
- Read the set point and mode, and note what sits over the sensor.
- During a cycle, read floor temperature at several spots, including open floor.
- With the circuit off and proven dead, a licensed electrician measures lead resistance.
- The electrician tests leads to the ground braid and checks supply voltage.
- Compare the first heat-on date with the setting materials' cure time.
04
Keep on the record
4- Thermostat settings and mode
- Surface temperatures by spot
- Resistance readings beside the cable tag
- Sensor location photos
General guidance for a qualified person, not a finding about any home. The person on site decides.