Ecobee Thermostat Won’t Turn on Quick Fix 2020 – Ecobee Support

A Complete Solution for Ecobee Thermostat not Turning On

Are you looking for a thermostat for your home? Well, have you thought of getting an Ecobee thermostat? It is surely a great addition to your smart home.

The Ecobee thermostat is not only a great choice of gadget for your home but also a perfect gift for the holiday season. The Ecobee thermostat is a smart solution to control the temperature of the rooms in your home and also the living space quick and easy using the remote.

Whether you want to lower the temperature or raise it, everything is possible using the Ecobee thermostat. That is why getting an Ecobee thermostat is the perfect solution for your smart home.

If you already own an Ecobee thermostat then you would know how convenient and easy it gets for the user. However, you would have also come across problems like Ecobee thermostat not turning on. 


This is a common issue that many users may come across while using the device. If you are one of them then do not worry as this problem can be easily fixed if you follow the basic troubleshooting solutions.

Usually, if the problem keeps occurring again and again then there are chances of having a problem with the power. If you are new and do not have enough technical knowledge then you also get in touch with the Ecobee tech support team for help.

What to Do if Ecobee Thermostat not Turning On?

The Ecobee thermostat is a perfect solution for those who are looking to add a perfect gadget to their home for ease and convenience. The Ecobee thermostat can be easily connected to the home network and you can use the thermostat to regulate the temperature of your home from anywhere. 

However, many times the Ecobee thermostat not turning on is quite a common problem among the users.

If you are facing a similar issue then the first thing you need to be doing is to check the power of the Ecobee thermostat. If there is an issue with the voltage or the voltage is less than 24v then the thermostat won’t turn.

Otherwise, there are a couple of solutions that you can follow and try to resolve the issue. Here is what you need to do.  

If you have just installed your Ecobee thermostat and it is not turning on then here are few things that you can do.


Check the Power

Other than the Ecobee 3 model rest of the thermostat models must be connected to the Rc terminal of the power of the thermostat.

Make sure to check the wires are properly inserted with the terminal blocks by gently pulling the wires to make sure they are connected or not. Check the lever on the side of the terminal they must be down if the wire is inserted.

Check the C Wire Connection

The Ecobee thermostat must have C wire otherwise it will show Ecobee thermostat not turning on issue. Check the wire as it must be connected to the C terminal.

If you are not having C wire then check the spare wires. Check the C wire is connected to the C terminal of the HVAC board.

Check for PEK Kit

Check the wiring system of you have installed it using the PEK kit. Here are the connections that you need to check.


  • R wire with the RC terminal.
  • G wire with C terminal.
  • W wire with the W1 terminal.
  • Y wire with the PEK terminal.

Check the Voltage

If the wire connection is right but still you are facing a problem then the problem can be with the voltage. You can check the voltage using the voltmeter, check the voltage for the RC and C wire connections.


If the voltage is less than 24V then you are most likely to experience a problem. Also, make sure the power is turned on. If voltage seems to be fine then there can be a problem with the C wire so check it and replace the wire if it is faulty.

In this blog, we have covered in detail the solutions that can help in Ecobee thermostat not turning on the problem. However, if the problem is still unresolved then you must get help from the support team.

Get in touch with the technical support team for help and assistance.