heated floor thermostat gfci keeps tripping
Call Schluter theyll either send you a new one or direct you to the dealer for a replacement as soon as they hear the words GFCI tripping I used to work in flooring supplies and Ive sold thousands of floor heating thermostats. Two or three months later and almost simultaneously two other thermostats began to trip.
The most common reason is water or moisture that has gotten into the receptacle box or outlet.
. So that may cause the t-stat to keep tripping. So I opened the old thermostats again and they seem to have GFCI of 15ma. Heated Floor Thermostat.
Click here to complete the Thermostat Backplate Replacement Form. - If the red light stays on there is a ground fault - Please contact your electrical installer. If the power supply is shared with other devices and especially if these use a GFCI there may be issues on the line causing the GFCI to trip.
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Thermostats allow water heaters to regulate the temperature according to the recommended number. In many cases a defective one may cause the reset button to trip on its own. In those instances aim to isolate your floor.
Other potential causes include faulty wiring loose connections and a faulty GFCI. Why does my gfci outlet keep tripping wire the th115 floor heating thermostat of warm tile suntouch sunstat gfi issues with un mounting your warmupedia troubleshooting a. GFCI mA trip on floor heating thermostat It seems to cause the nuisance trip when the heating cable warms up system shuts off and starts back up again.
When doing so does the GFCI still trip. Tripping and the system is operating correctly. Heated Floor Thermostat Gfci Keeps Tripping At this point one might think that the floor system might be failing and the thermostats are ok except step 1 showed mat was ok.
Check out this video for helpIf youre looking to upgrade check ou. Maybe a change to a thermostat with a 15mA GFCI trip threshold will be the next step. If the thermostat DOES NOT trip the GFCI Reattach the matcable load wires to thermostat terminals 1 4 and set the.
My Floor Heating System Keeps Tripping. Even if that checks out there may be a leakage current which is hard to measure without a special tool. To rectify this problem put off the power supply and open the thermostats holder.
The GFCI trips if their is an imbalance between the two measurements. The issue on a short to ground as well as a conflict in the power supply circuit. Ideally keep the one on the breaker and replace your GFCI thermostat with a non-GFCI unit.
Heated Floor Thermostat Gfci Keeps Tripping. Need help troubleshooting it. If the problem persists youll have to keep on searching for other possible reasons.
GFCI on breaker and on thermostat. - Make sure that the floor of concrete is dry. It now seems that the heating cable checks out in every way and yet the GFCI continues to trip intermittently.
They go faulty all the time. Why the GFCI is Tripping. Initially resetting the unit would work for awhile but later it would not set at all.
The improper wiring can cause tripping in the GFCI. If they are bonded together the GFCI will always trip. Home Wiring coding-isometric-02.
The GFCI in thermostats are Class A which means below 5mA trip levels. Nuisance tripping seems to be the only possibility. They can be reset for short periods of time and even warm for up to 24 hours and then trip again.
After about a year in operation the built-in GFCI on the thermostat began tripping. Turn off the breaker pull the thermostat measure resistance between hot and ground and neutral and ground. Up to 15 cash back OK un-plug the wires from the Thermostat under a no load condition.
So I looked up online and it seems that they have a GFCI of 5ma and are not suited replace thermostats with 15ma GFCI. There are several different reasons why a GFCI trips. Ground-Fault Your heat mat heating cable or installation between thermostat and heat mat heating cable has a fail current to ground.
Tighten loose connections if you see any close the holder and put on the power again. Set the thermostat to Heat the floor 2. 1 You need to separate the white neutral wire from the ground wire.
If you tried to reset GFCI and keeps tripping there maybe a fault in your floor heater. Your thermostat may be going bad. The imbalance when it trips is very small like 5 milliamps.
As a result UL requirements is a very sensitive this is a very sensitive trip level required by UL. If the GFCI doesnt sense the same current on each wire than your leaking to ground somewhere. When Honeywell was making most of them I probably saw at least 10 come back under.
The appliances plugged into the GFCI such as fridges and converters can cause it to trip. If you get near 0 ohms you have a short. Usually there is separate gfci reset button on the thermostat.
You should aim to only have one GFCI on the circuit. This is typically when tripping occurs. Uncategorized September 23 2018 Two Birds Home.
Have a Smartstat touchscreen thermostat for floor heating. Likewise there are several instances that could cause spurious tripping or nuisance. Heated cable is installed encapsulated in mortar with tile as a surface as are the other 2 bath areas.
However a tripping GFCI device could also get caused by an overloaded circuit a malfunctioning outlet electrical issues or improper installation. There are four GFCI programmable thermostats wired to 240v service. About five months ago one of the thermostats began to trip flashing a GFI fault.
2 between white and ground - Greater than 550 MOhms. The other two do not have this problem. Turn off the breaker pull the thermostat measure resistance between hot and ground and neutral and ground.
If the breaker is not tripping anymore youve solved the problem. If it keeps tripping then the primary reason we need to look into is your heaters thermostat. When I installed the Mysas both of them started tripping every time it started heating.
GFCI measure current in hot wire to heating mat and also measures the current in the neutral coming back. The system operates at 120 Volts but the thermostat is capable of using either 120 or 240 Volts. If the thermostat trips the GFCI with no load attached then the thermostats GFCI will need to be replaced.
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