Google Nest is a smart home device manufacturer that is known for creating products such as thermostats, smoke detectors and security systems. The company was founded in 2014 and it has since then created different types of products. Nest offers a variety of different smart home devices and they are available in various price ranges.
Their Nest security system is one of the most popular security systems that you can purchase online. It offers homeowners a way to protect their homes from intruders and it also protects them from fire. Nest also provides other smart home devices such as thermostats, smoke detectors and doorbells. Unfortunately, they’re not exempt from the occasional error codes, including the error code E53.
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On this page, you will find more information about the most common causes and most relevant solutions for the Nest error 'E53'. Do you need help straight away? Visit our support page.
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It has never been easier to solve error "E53".
View list of solutions Contact an expertError information
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Category
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Error codeE53
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ProductNest
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DeveloperGoogle
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First seenSeptember 5, 2021
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VerifiedYes
What causes the E53 error?
The Google documentation indicates that error code 'E53' is caused by the following problem: "The Nest thermostat has an overcurrent error".
Do you think there is another cause for this error? Let others know in the comments.
How to solve Google Nest error E53
We've created a list of solutions which you can follow if you want to solve this Nest problem yourself. Do you need more help? Visit our support page if you need professional support with Nest right away.
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Verified solution
When it comes to Nest products, error codes that start with the letter E indicate that there is a problem with wiring the thermostat during installation, or that a part on the control board on your Nest thermostat is worn out and will require a professional to replace it.
If the code shows as E on the Nest thermostat, that means that the electrical current running through one or more of your wires has spiked several times. It’s important to know that Nest thermostats are equipped with an internal breaker that prevents damage from occurring, and if the breaker is tripped 10 times or more, it will cause an overcurrent code to appear on your screen.
While contacting a professional technician is always the safest choice, you can also do some investigating yourself. E code errors usually mean the core of the issue is in the wiring and connections, so you can try examining and possibly changing out the wires connecting to your thermostat. A wire that has had a broken insulation or is frayed will cause an E code error. Each different E code on your thermostat refers to different wires, and the E53 code refers to an issue with the Y1 wire.
Make sure that when you turn off the power to your thermostat, you are actually resetting the system (not the app). If there are wires that go to the Rc and Rh connectors, make sure you don't accidentally switch them during installation. If so, replace them. If you accidentally switched wires, check to see if they were switched during installation, and if they were, swap them.
You can check if the wiring to your thermostat is correct by looking at the right wiring diagram for your model thermostat. If you can't seem to find a thermostat wiring diagram that works with your current thermostat, take a picture of the wiring that was connected to your old thermostat when you installed the thermostat.
If you cannot find a thermostat wiring diagram that works with your current thermostat, use the diagram that the app created for you. Take a picture of your thermostat wiring and then enter the wires into our wiring wizard to get a schematic.
Still having issues? If you are wiring your thermostat correctly, it is likely that a bad relay or transformer on your system's control board is causing problems, not your Nest thermostat. Call a professional HVAC company to do the necessary repairs.
Have you found a solution yourself, but it is not in the list? Share your solution in the comments below.
