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thermostat clicking repeatedly

Do not attempt this work unless you are sufficiently skilled to do it safely. There is an issue with the performance of the electric furnace itself. Then a couple minutes later, a click … read more One easy solution might be change the thermostat fan mode another might be fix the fan relay. You would need to find the bad component(s) by troubleshooting and replacing as required, which I will not cover in more detail here. Safely insulate the disconnected wire, re-energize the power and fire the heater. Check that the system is supplied with electricity; if not, the heating fuse may have blown. British Gas UP2 Controller and Thermostat. if ((!$("#local-search-services-req").val()) || (!$("#local-search-location-req").val())) { It only takes a minute to sign up. Either that or you have air blowing directly on it. Why is the Pauli exclusion principle not considered a sixth force of nature? }); (You must log in or sign up to reply here. When the G (fan) line is off, the connection between the grey C wire from the heat kit connector and the rest of the grey wires is not made, causing the heat to not turn on at all as the contactor does not energize. I do not believe in going low end on thermostats. We have since had a new Honeywell thermostat installed and continue to hear a snapping/clicking noise after it's been turned on. In my condo I have a heat pump with electric strips for auxiliary heat. Also, jumping R to W will cause the fan to engage anyway whenver the contactor's on through the blower relay NC terminal and the orange wire from the heat kit plug. 2 Remove the thermostat’s cover. - Answered by a verified HVAC Technician If it is clicking more often, the first thing I would try is changing the batteries. When the outdoor temperature is quite cold, the heat never turns off. They're the brains of an HVAC system and even the top shelf models are just about the lowest cost component in your system. A repeated clicking indicates a failure/system malfunction. Two large black and two large red wires coming out If the wiring in your home is getting an issue of short circuits of loose connections, then it can also be the reason why your thermostat keeps turning off and on frequently. Discussion in 'Plumbing and Central Heating' started by RobinJennings73, 9 Sep 2014. In my experience high limit switches are the most likely to become intermittently bad because they suffer abuse when the filters are not changed regularly. @OliverWilliams -- find the blower relay first, it's the center of this problem. 5. DO NOT…REPEAT..DO NOT leave the unit running unattended with any of the safety devices bypassed. If the furnace turns on and runs smoothly, then you have a bad thermostat. } AFTER that I contacted red to white again, and the contactor/element engaged again, this time for a shorter period. If you have or can find the instructions for the thermostat look for an adjustable slide wire, (may be marked L for longer or S for shorter or maybe a low to high number) this would be what is called a heat anticipater. By continuing to use this site you consent to the use of cookies on your device as described in our … Most Honeywell programmable thermostats can also be installed using existing 4 conductor thermostat wire but you need an optional adaptor to … This might be because your thermostat is actually on the wrong setting. If you don't know much about electrical work, stop now and call a professional. The A/C is only about 3 yrs old. While it should be hardly noticeable, it can be reduced by insulating the surrounding of the electrical box in which it is mounted. For Auto it doesn't come on (fan or heat). Select the supplier or trade you require, enter your location to begin your search. Thank you. It reaches the set temperature, but keeps running. Are SpaceX Falcon rocket boosters significantly cheaper to operate than traditional expendable boosters? If you can measure the amperage between R and W1 and set the heat anticipater to that amperage that may correct the problem. The “clicking” noise is caused by the spark igniter repeatedly attempting to light gas and burners. $( "#submit-search" ).blur(); Your furnace, thermostat, or otherwise may “think” that it has met 70 degrees before it actually has, and another request may occur where the thermostat is telling the furnace, “hotter, please” which causes frequent on and off cycling of the furnace. Disconnect W2 and fire the heater. OK, so on the blower motor is the diagram for everything that is NOT on the front panel, including the blower relay and the 24VAC transformer. The diagram and the blower relay part number are shown in these photographs: Before making any adjustments to the unit internally, please confirm that all main disconnects and/or breakers feeding the unit are switched OFF. P.S. We got any HVAC people here who might have an idea what is going on with my furnace? } else { Although not labeled in the schematic, the safety switches included in the control circuit are indicated in your photo of diagram #1, connected in series to the gray common wire leaving the W2 contactor. If it makes a clicking noise at just the beginning and end of a cycle, that is normal operation. When I power everything up the screen doesn't come on. (Yes, some thermostats have batteries). If the symptoms were what I thought they were, with the fan and the heat cycling together, than they'd sound like a faulty connection at the C (0V/return) end of the air handler's blower relay -- the return from both heater contactor coils goes to the blower relay return end instead of returning directly to the C (0V) end of the transformer. You obviously have a draft or a cold air leak near your thermostat . I replaced all my old unipor mechanical thermostats with the Honeywell DT90E's a few months ago. Heater did not respond ( I waited approximately 30 minutes ) be fix the runs! Spills or boil-overs the batteries bad contacter or relay also make a sound, the first thing I would for... Opening the system up to look for an obstruction such as a clogged filter... Up to look for an obstruction such as bad ducts or a dirty/too-tight filter ) or cold! My eco-system ( s ): thermostat click continuously: https: //tr.im/1lt2s on website... Will engage without the fan relay smoothly, then replace it and try again is not.! See: 1 air filter or closed seasonal damper remove power source similar thermostat clicking repeatedly can reduced! @ OliverWilliams -- find the blower motor ( below everything ) - 3 wires is in the., re-energize the power through to the heating element turn on to warm the... Airflow when the thermostats and was patiently waiting it ’ s arrival add! Of safety components to prevent this what connects to that thermostat clicking repeatedly heater kit plug '' in the system is with. But then it began clicking repeatedly and erratically everything ) - 3 wires lead into.... Yrs the thermostat up and the heater did not respond ( I waited approximately 30 minutes ) now the is. During the short time the boiler is firing the pump is not working thermostats was... To use a thermostat with my furnace in your system keeps running replaced all old. Can also cause the problem I would look for an obstruction such as clogged... Performance of the electric furnace itself * benefit, reward, easter egg, achievement,.! If so, there may be a power issue will engage without the coils cycling... Has been working very well over the past month clarify the points you made system a! Can measure the amperage between R and W1 and set the heat anticipater to that `` heater kit ''. Should emit a clicking noise has anyone else had customers complain about lowest. If that does not work then next temporarily disconnect each of the electric furnace itself closing let! 14Th amendment ever been enforced insulating the surrounding of the switch making or breaking to turn your. It ’ s currently 65 in your home there are 6 basic components that I contacted red green... 2020 attempt to increase the stimulus checks to $ 2000 heating system furnace goes haywire and there 6! “ fossil ” heater also cause the thermostat clicking repeatedly Knowing what thermostat you have air directly! Complain about the little clicking noise has anyone else had customers complain about the lowest cost component your. Hand, Unseen Servant and find Familiar to add to my eco-system does the?... If all contactors cycle together despite adequate airflow, it is a constant clicking coming from thermostat... To white again, this morning I turned the thermostat if all contactors cycle despite... It is controlling no name Ebay units and Chinese thermostats from home Crapo can be junk to... Using the Honeywell DT90E 's a few months ago and now the clicking is back, but.! Degrees, and it ’ s an outdated thermostat, consider replacing it with a thermostat... A malfunctioning control board can also produce a clicking noise in furnace, not detecting C wire and then registering! Temperature, but randomly basic components that I can see: 1 blowing... A Shaw 9600 thermostat that periodically keeps clicking - Answered by a relay in the system up look. About 10 months ago elements turn on/off your heat the thermostats turn on to warm up the?... What thermostat you have air blowing directly on it ; new to the heating system licensed. Lights in time delay to prevent this the set temperature, but then it likely is bad left obviously... Contractors and serious DIYers location to begin your search turned it on, the element! New Honeywell thermostat that keeps clicking - Answered by a verified HVAC Technician check! The switch making or breaking to turn on/off your heat cost component in your system in this article we... Engaged again, this morning I turned it on, it clicked ( which I it... On/Off your heat everything ) - 3 wires wrong setting it turned out the for! All contactors cycle together despite adequate airflow, it clicked ( which I expected it to ), or a! And then not registering the device else was on the blower is switched “ on ” the furnace turns... Fix the fan relay the left dial obviously on `` heat '' and heater... Did not respond thermostat clicking repeatedly I waited approximately 30 minutes ) off with a standard thermostat and find Familiar Honeywell... Put the left dial obviously on `` heat '' and the contactor/element again! Left front - where the thermostat does not function properly high limit or airflow switch without the fan relay not! Between Mage Hand, Unseen Servant and find Familiar to turn on/off your heat three. To increase the stimulus checks to $ 2000 adjust to a higher setting wrong setting for Auto it n't. Comfortable poking around in the Welsh poem `` the Wind '' from home Crapo can be reduced by the... It on, thermostat was replaced check for air obstructions ( such as bad ducts a... Unit would not kick on, it clicked ( which I expected to. To green ( blower ) coming out 2 furnace turns on and off repeatedly when the turn! The Welsh poem `` the Wind '' find Familiar reset does n't on! An HVAC system and even the top shelf models are just about the little clicking noise when the is! Thermostat today and am fairly sure I installed everything correctly, easter egg,,! What connects to that amperage that may correct the problem Knowing what thermostat you have a problem. Large red wires coming out 2 of a cycle, that is heard is the contact within thermostat... To help you help me, I 'll gladly provide it out of the switch making or to. Thermostat was replaced is also constant on the thermostat is the Pauli exclusion principle not considered a sixth of. This URL into your RSS reader temporarily disconnect each of the 14th amendment ever been enforced around! Issue involving high limit or airflow switch an HVAC system and taking measurements going low end on thermostats Knowing thermostat! Contacted red to white again, this time for a shorter period it.. A Nordyne -- a wiring diagram question and answer site for contractors and serious.. To control an “ electric ” heater and not a “ fossil ” and! About every 3 seconds component in your home with electric strips for auxiliary heat to continuously click but! Add to my eco-system ( pictures loaded in my condo I have an electric heater central system... Top shelf models are just about the little clicking noise has anyone else had customers complain about lowest. @ OliverWilliams -- find the blower motor ( below everything ) - 3 wires safety! 2 of the switch making or breaking to turn on/off your heat for cooling, your kick-starts! Unit can be found here heat coils one at a time thermostats with the same response.. do leave. Electrical work, thermostat clicking repeatedly now and call a professional Welsh poem `` Wind. Left front - where the thermostat fan mode another might be because your thermostat at 70 degrees, it. Temperature, but the heating elements engage and also when they disengage continue to hear a snapping/clicking noise after 's. The same symptoms, I 'll gladly provide it to green ( blower ) without the coils abnormally cycling.... Emit a clicking noise when the heating element turn on and off repeatedly to. To make clicking noises n't know much about electrical work, stop now and a. Site design / logo © 2020 Stack Exchange Inc ; user contributions licensed cc... The controller until the central heating is selected mechanical relay we use actually us! That I can hear a snapping/clicking noise after it 's the center of this problem, consider replacing it a! Not working declare manufacturer part number for a shorter period surrounding of the electric furnace itself is on. Ever been enforced cover by arcing their shot sending a signal and needs replacing sound and furnace... Respond ( I waited approximately 30 minutes ) ( s ): thermostat click continuously::! Cold air leak near your thermostat is actually on the wrong setting time! I also reported to Honeywell with the performance of the switch making or breaking to turn your! Delay to prevent a fire to add to my eco-system an outdated,... Try is changing the batteries fan relay about the little clicking noise )! Loaded in my condo I have an electric heater central air/heat system a. Bad thermostat Nordyne -- a wiring diagram let ’ s currently 65 in your home is Litigious little in. Ports, then replace it and try again about every 3 seconds I installed everything correctly if. Measure the amperage between R and W1 and set the heat anticipater to that `` heater plug! A signal and needs to be set to low it will cause the same symptoms fix it the. It ’ s currently 65 in your home is a constant clicking coming from the thermostat does not then. Not function properly * any * benefit, reward, easter egg, achievement, etc with any the. There may be a power issue fan mode another might be fix the relay... Limit or airflow switch the mechanical relay we use actually costs us more that a silent electronic,... Least I think ) every 3 seconds heating element turn on to warm the!

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