The ac compressor is a vital part of the ac unit. If the ac relay goes out, then it won’t be able to function at all. The ac relay gives power to the ac compressor, and without that power, the ac unit will not work correctly.
how to fix a stuck relay on ac unit
If you notice your ac unit isn’t working as well as it should be, there are a few things you can do before calling in an ac repair service. In this blog post, we will discuss some easy ways to fix a stuck relay on an AC unit!
How to Repair A Stuck Air Conditioner Relay:
The first one is if the ac compressor won’t cut on even though you have power going to it. In our experience, most of these issues are caused by a bad ac relay or wiring issue that needs repairing or replacing. A good idea would be to check your ac breaker panel for any tripped breakers and reset them before checking out other possibilities. If there isn’t anything wrong with the ac circuit breaker, then let’s move on down the list!
The next thing could be your thermostat wires aren’t working correctly from their terminals, in which case repair service might need to come to look at things. The ac unit relay might be wrong if the ac compressor won’t turn off even though you have switched it to “off.” This is a prevalent issue with many homeowners and something that people should know how to fix or replace themselves.
Switch off the electricity
If you can’t find the breaker for it, then unplug the ac unit.
– First, check that all of the fuses in your fuse box are intact and not burned out or broken before replacing them with new ones.
– Then, turn on the power to ac unit after verifying it is off using a voltage tester (you should always be safe when doing electrical work).
– Using an ohmmeter set to “x100kΩ range,” test each of the relays until you find which relay isn’t reading any resistance through its coil circuit (if there is no continuity between terminal 87a and 87b). Replace this defective relay in ac unit.
– Be sure ac unit is unplugged before adding or taking out fuses, replacing relays, etc.
– A few things that can cause a relay to get stuck are: excess dirt build up on the contact points inside of it, corrosion on its coil terminals which causes an open circuit (no continuity), and faulty coils in ac unit electrical components due to shorted windings or burn spots from arcing caused by loose insulation within ac unit’s wiring harnesses.
pull the terminal connector
Pull the ac unit relay off of its original location. This may require a little effort because you need to unclip and unhook everything that is holding your ac connection in place. You should find one spot where there are clips or screws holding something down, these can be removed with a screwdriver. Once all the attachments have been taken off you will see two wires connected to each other by way of some plugs, pull them apart carefully without damaging anything else on either side. Take note of how they were plugged in originally so when putting your new ac unit relay back together later it goes exactly as before!
There are many reasons your air conditioner may stop working, but the most common is a bad ac relay or wiring issue. If you’ve checked all of these and still can’t find an answer to why your AC won’t turn on, it might be time for an HVAC professional to take a look at your system. They’ll know how to troubleshoot what could be causing the problem–and they might even have some tricks up their sleeve that will help get things running smoothly again without having to replace parts!