heated floor thermostat gfci keeps tripping

Ground-Fault Your heat mat heating cable or installation between thermostat and heat mat heating cable has a fail current to ground. Since this has been working for two years that is probably not the case but it is odd that another thermostat came up with the same issue.


Best Smart Thermostat For Your Heated Floor

When doing so does the GFCI still trip.

. 1 You need to separate the white neutral wire from the ground wire. Initially resetting the unit would work for awhile but later it would not set at all. The system operates at 120 Volts but the thermostat is capable of using either 120 or 240 Volts.

So here is the problem and it is not the pump or the wiring it is because the gfci is located in a humid area here it is dirt basements and in august the humidity levels are above 75 and this alone will trip the gfci the pump then. In the cases of undershooting. The thermostat is underovershooting the target floor temperature.

They can be reset for short periods of time and even warm for up to 24 hours and then trip again. So that may cause the t-stat to keep tripping. Yes over flow protection.

Have a Smartstat touchscreen thermostat for floor heating. - If the red light stays on there is a ground fault - Please contact your electrical installer. It now seems that the heating cable checks out in every way and yet the GFCI continues to trip intermittently.

About five months ago one of the thermostats began to trip flashing a GFI fault. - Make sure that the floor of concrete is dry. When I installed the Mysas both of them started tripping every time it started heating.

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. Thermostat has been recently installed and functioning It will take 3-5 days of uninterrupted heatingcooling for the thermostat to learn the floors heatingcooling characteristics. The appliances plugged into the GFCI such as fridges and converters can cause it to trip.

Set the thermostat to Heat the floor 2. Cameron Witbeck for WarmlyYours May 25 2017. Try turning the breaker off for a minute then back on that usually fixes these GFI trip issues.

Two or three months later and almost simultaneously two other thermostats began to trip. So I opened the old thermostats again and they seem to have GFCI of 15ma. Additionally the majority of floor heating thermostats being produced currently have integrated GFCI so it would make it hard to find a replacement in the future without having a GFCI thermostat and GFCI breaker on the same line which can cause nuisance tripping.

If the thermostat trips the GFCI with no load attached then the thermostats GFCI will need to be replaced. Set the thermostat to Heat the floor 2. Maybe a change to a thermostat with a 15mA GFCI trip threshold will be the next step.

Where I am gfci is code for the condensate pump and you know what 2 little wires come out of the condensate pump. Up to 25 cash back OK un-plug the wires from the Thermostat under a no load condition. Moisture in the Receptacle Box.

Check out this video for helpIf youre looking to upgrade check ou. Check out this video for helpIf youre looking to upgrade check ou. Tripping and the system is operating correctly.

Application to Floor for floor warming. Other potential causes include faulty wiring loose connections and a faulty GFCI. GFCI mA trip on floor heating thermostat.

If they are bonded together the GFCI will always trip. In those instances aim to isolate your floor heating system with a dedicated circuit breaker. In those instances aim to isolate your floor heating system with a dedicated circuit breaker.

It seems to cause the nuisance trip when the heating cable warms up system shuts off and starts back up again. External GFCI on the line remove it and use the GFCI built into the thermostat. The GFCI trips if their is an imbalance between the two measurements.

Heated Floor Thermostat. Nuisance tripping seems to be the only possibility. 2 between white and ground - Greater than 550 MOhms.

The improper wiring can cause tripping in the GFCI. 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. 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.

There are four GFCI programmable thermostats wired to 240v service. The imbalance when it trips is very small like 5 milliamps. The thermostat is not a model we sell but a GFI trip typically means either the heating element is damaged or a connection is loose somewhere.

So I looked up online and it seems that they have a GFCI of 5ma and are not suited replace thermostats with 15ma GFCI. If the thermostat DOES NOT trip the GFCI Reattach the matcable load wires to thermostat terminals 1 4 and set the thermostat to a Heat. Check the connections at the back of your new thermostat.

Heated cable is installed encapsulated in mortar with tile as a surface as are the other 2 bath areas. Check for any wear that may have occurred to the equipment. The appliances plugged into the GFCI such as fridges and converters can cause it to trip.

Unplug everything on that circuit and make sure all the switches are off. Click here to complete the Thermostat Backplate Replacement Form. This is typically when tripping occurs.

On 240V circuits it is common for the breakers to be merged in a single physical area of the electrical. The built-in GFCI on the thermostat will trip and not allow a repaired heating element to run in a shower or wet area. When Honeywell was making most of them I probably saw at least 10 come back under.

Need help troubleshooting it. Any slight damage means the electrical part is no longer protected from contact. After about a year in operation the built-in GFCI on the thermostat began tripping.

If the GFCI doesnt sense the same current on each wire than your leaking to ground somewhere. They go faulty all the time. Normally wed be a little concerned that the GFI is tripping because something may be damaged under the floor.

The accumulation of moisture is another major cause of GFCI tripping. The issue on a short to ground as well as a conflict in the power supply circuit. GFCI measure current in hot wire to heating mat and also measures the current in the neutral coming back.


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