Do you have an air conditioner remote control that no longer works? There are few options to fix this problem and these are:

  1. Find the model number and buy a replacement remote control
  2. Buy a universal remote control that is compatible with your air conditioner
  3. Fix the air conditioner remote control

I decided to go with option 3 and fix the air conditioner remote control (Teco EB85127). Basically the remote control would not turn on even after replacing the batteries. Upon inspection the battery contacts in the remote control appeared to be corroded. Here’s a photo:

HOW TO FIX AIR CONDITIONER REMOTE CONTROL Teco Corroded

The first thing I tried doing is to clean the contacts using a brush but that didn’t work:

HOW TO FIX AIR CONDITIONER REMOTE CONTROL Teco Cleaning

I ended up opening up the remote control to see if there was anything obvious that could be causing the problem. As soon as I opened up the back cover I immediately saw the problem. Part of a wire was completely corroded and this is what I saw:

HOW TO FIX AIR CONDITIONER REMOTE CONTROL Teco Problem

After cleaning and wiping the corroded areas you can definitely see the cause of the problem with the remote control not turning on.

HOW TO FIX AIR CONDITIONER REMOTE CONTROL Teco Cleaning Problem

My solution to fix this problem was to use some spare wire cable that I had and solder this on. I carefully used the soldering iron and connected the wire that was corroded and missing.

HOW TO FIX AIR CONDITIONER REMOTE CONTROL Teco Soldering Iron

This was the end result:

HOW TO FIX AIR CONDITIONER REMOTE CONTROL Teco Fixed
HOW TO FIX AIR CONDITIONER REMOTE CONTROL Teco Fixed Inside

After installing a new set of batteries the Teco remote control turned on and it was a good sign this fixed the issue.

HOW TO FIX AIR CONDITIONER REMOTE CONTROL Teco Fixed Turns On LED

I then tested with the actual air conditioner and it worked. You can also watch this video to see me fixing the issue so give this a go if you have a similar issue with your remote control for your air conditioner, TV or even car remote control. I hope this helps to fix your issue as well.

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