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Oct 21, 2021 · MGW, Oct 22, 2021. #8. (You must log in or sign up to reply here.) Home Forums > Screwfix Community Forum > Electricians' Talk >. With a reset button on the immersion heater thermostat it is clear the thermostat is safe for use with thermoplastic water header tanks, with solid...
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- Electricians' Talk
If the thermostat has tripped then the button will be flush with the top of the plastic housing. We recommend the use of a ball point pen or similar tool to push it down (small screwdrivers are usually too big to fit through the hole) and when it resets it will go down with a noticeable click. Once it is reset the button will be about 1.5mm below the surface of the housing.
- Overview
- Common Ways to Reset a Thermostat
- When to Reset a Thermostat
- Troubleshooting
Easy ways to reboot your thermostat to quickly get your heating and cooling working again
The last thing you need in a hot summer or long, cold winter is a thermostat that can’t seem to get a clue. Your house is freezing, or else it’s a full-on swelter, and you’ve got the sneaking suspicion it’s time to give the thermostat the ol’ reset. But then… how, exactly? There are as many ways to reset a thermostat as there are thermostats on the market, which is to say: The best way to figure out your particular unit is by consulting the instruction manual. The second best way is to read our handy guide! We’re here with the most common methods on how to reset most thermostats, how often you ought to be resetting yours, plus some tips and troubleshooting for the real tough cases.
Locate and hold the reset button for about 5 seconds, or power your thermostat off for 30 seconds before turning it back on.
Change dead batteries in your thermostat, or flip the orientation of the batteries for about 5 seconds while the thermostat is turned off.
Hold the reset button down for 5 seconds.
Most thermostats have a dedicated reset button. It’s not always in an obvious position—check the edges of the thermostat, or even take it off the wall and examine the back. Often, the reset button is small and recessed, so use a paperclip or push-pin to press and hold the button for at least 5 seconds, or until the thermostat appears to reset.
After you’ve reset your thermostat,
set it to your desired temperature
and monitor your home’s HVAC system for any changes.
Turn your thermostat off for 30 seconds.
Reset your thermostat after a power outage.
After a power outage, your thermostat may not properly calibrate to the room temperature. Help your thermostat “catch up” by giving a quick reset. Many thermostats are more responsive as they boot up and recalibrate after a reset.
Reset your thermostat when it’s out of sync with your home’s HVAC.
Sometimes your thermostat loses touch with the rest of your home’s systems, and is slow to respond to the rest of your home’s heating and cooling system. This causes the AC or heating to run too long, or to not run at all. A reset may be just what’s needed to get things back in order.
Reset your thermostat every few months.
Like any piece of electronic hardware, your thermostat’s calibration might drift off-course over long periods of time. It’s best to help it correct itself by performing a reset, so that it remains accurate and reliable.
Remove your thermostat cover (most simply pop off, but you may need to remove some screws first), then loosen any dust or debris around the wiring and button interfaces with a soft brush, or by wiping it gently with a cloth or wipe. Then, use a small vacuum, or a vacuum brush attachment, to suck up the debris.
Clean your thermostat every couple years to keep it in operating condition.
If you see any corroded wires or other damaged electrical parts, call an electrician to help repair your unit.
Test your dead thermostat’s power intake if it’s not turning on.
Strip one end of an insulated copper wire to expose 0.5 in (1.3 cm) of wire. Then, wearing
, remove your thermostat’s cover and touch the exposed copper wire to the terminals marked “R” and “W.” If touching either of these turns on your thermostat, it means your thermostat’s power intake is faulty, and the unit needs to be replaced.
Put them back just like they were on the new thermostat. You can buy "Heat Only" thermostats. That will have the basic terminals or if you get one made for like 3 heat 2 cool you'll have many extra terminals and you will have to go through and program it for what system you have.
Dec 2, 2013 · It's a thermal cut out basically ,if the thermostat fails it trips out. Trying to reset it without establishing why it intervened isnt the thing to do . Usually they pop up ,and push down to reset ,and it doesn't take much pressure to do it.
Push the reset button on the limit switch and try raising the thermostat setting again. The limit switches on older homes don’t have a reset button. Pilot stays on but the furnace doesn’t come on, step 3. Replace the limit switche (s). You MUST know the brand and model number of the furnace to get the proper replacements.
Dec 19, 2023 · Learn how to reset your smart thermostat with our step-by-step guide. Keep your home at the perfect temperature with this simple troubleshooting solution.
