![]() Killed his Uni-T 90C trying to measure frequency and turn the rotary dial past ohms while the probes were plugged into 220V AC. ![]() I borrowed the above from a friend so I was obviously not going to see if the ohms range would survive on mains.ģ) Better multimeters are designed to survive "oops" moments and as tom66 mentioned Dave Jones at eevblog regularly does the ohms/mains test in all his reviews. It goes on sale for as low as $19.99 or $14.99 if you are patient. I appreciate the help.My 52-0060-2 Mastercraft Digital Multimeter will not record Resistance.ġ) If you want the exact same one, it usually goes on sale for $10 in this kit at Canadian Tire.Ģ) I have used an earlier version of this Canadian Tire multimeterĪnd it seemed okay. I will post the resistance of the heating cable while the floor is warm tomorrow when I have some free time. The 120V system works perfectly while the 240V system continues to have this intermittent GFCI issue. I changed both systems to the new FG thermostats as they are supposed to be good for either 120 or 240 V. It is a 120V system and had a GT-1 thermostat in it. Interestingly, I have another bathroom in the house that also has in floor heating and the thermostat down there also had an end of life issue around the same time as the other one. I called the company and after a brief discussion/bit of trouble shooting they felt it was an end of life indication. One day I walked to find the thermostat's GFCI light on and unable to be reset. The in-floor heating was off and had been for months. That original thermostat just randomly failed one day this past summer. It was a GT-2 model which was the model made prior to the FG one I have in there now. The original thermostat was also an Easy heat warm tiles thermostat. The thermostat GFCI appears to trip every few days at the current temperature setting, but if I increase the temperature setting it will trip more often.Īny ideas? I am not sure why it would work perfectly well for 6 years and suddenly I would have a cable issue at the exact same time I change my thermostat. ![]() Initially I thought it must be a thermostat issue so I replaced the original FG thermostat with a new one and the same issue has continued. I have also checked the resistance in the sensor cable:ġ2,000 ohms (exactly what it should be according to manufacturer) I checked the resistance in the heating cable:īlack to white - 38 ohms (exactly what it should be according to manufacturer) I installed a new FG thermostat and the thermostat GFCI has been intermittently tripping the since it was installed. The original thermostat was a GT-2 and I had no issue with it or GFCI trips prior to the end of life issue. It was installed in 2009 and ran perfectly until 2015 when the thermostat had an end of life issue. ![]() I have a GFT 2118 cable kit from warmtiles installed under tile. I have a 240V dedicated circuit installed in my bathroom for in-floor heating. ![]()
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January 2023
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