We replaced our dial thermostats in our 35 yr old home with Honeywell programmable thermostats (model RLV430) for our electric baseboard heat. We double checked w/an electrician that we purchased the appropriate one for our home. The problem is we just noticed there are black smoke marks on the wall just above the thermostats (on the top right). This is also the only location where you can feel warmth, the rest of the thermostat is cool to the touch. What the heck is going on?
Your thermostat may not be made for electric heat, if not then your wiring is overloading the thermostat causing the wires to heat up.
The "smoke stain" is cause by heat from one of the internal semiconductors, that rises along the wall collecting dirt and dust. It is not from burning or smoke. It is harmless and normal. You can clean it with a Mr. Clean Magic Eraser. To prevent it, make a little airfoil from a plastic bottle and insert it between the wall and the thermostat. It will move the airflow away from the wall and stop the staining.
get in front of one of the thermostats and call Honeywell at 800-341-0110. If you are prompted, tell them you are an installer and seting up the thermostat for the homeowner.
Good Luck.
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I also have two RLV430 thermostats, one in each of two bathrooms, running electric baseboard heat. Both have one inch to two inches of black marks on the walls above the right side, control pad; almost as if something had or is slowly burniing. What's up?
I have two RLV430 thermostats, one in each of two bathrooms, running electric baseboard heat. Both have one inch to two inches of black marks on the walls above the right side, control pad; almost as if something had or is slowly burniing. What's up?
same thing! honeywell programable thermostats,model RLV 430 I think. Black smoke marks from one side of the thermostat, rising a couple feet above the thermostat. Its slightly warm to the touch in that area of the unit, and there is a slight smell, not really a burning smell, buts its very faint, so maybe it is something that is running hot. I am going to contact Honeywell.
I too have the same problem with our Honeywell thermostat...did any of you find answers???
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