Harmony remote repair guides, troubleshooting tips and advice! 

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How to Check for Defective Buttons
Button not working? It could be just an issue with your Activity/Device configuration, or it could be an actual hardware problem. Find out with the diagnostic tips in this document. Applicable to most Harmony controllers.
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Harmony One Disassembly Guide
Step by step instructions to install a Harmony One front cover/touch screen. Also useful if you need to open the remote to determine if the hardware version is compatible for an LCD replacement (board marked PA7.4). For LCD installation procedures, view our videos. 
 Safe Mode Procedure
Safe Mode Procedure
​Remote acting funky? Use these instructions to put your Harmony remote into Safe Mode and update the firmware. Sometimes, it's all you need! Note that these instructions are for legacy controllers and will not work with the newer hub-based controllers like the Touch/Ultimate/Elite. Having trouble downloading the firmware files using the Harmony Software? Check to see if we have the file you need.
Safe Mode Procedure
Harmony 1100 LCD Installation Tips
Instructions for replacing the Harmony 1100 LCD module. This can also be used for the Harmony 1000.  After doing an LCD replacement, don't forget to calibrate the touch screen!
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If you are having trouble charging your Harmony One or Harmony 900, check to see if you have a swollen battery.  If you recently replaced your battery with a 'Logitech' battery, check to see if it is authentic.
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Are you having trouble USB-connecting your Harmony 900 or Harmony 1000/1100 under Win10 or Mac OS v10.4 or lower ? If  you are under Mac OS 10.5 Catalina and using any  legacy Harmony remote, see this post from Logitech's Support Page. 
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Is your Harmony Touch, Ultimate/Ultimate One or Elite having trouble booting up?  Are you having issues pairing  or un-pairing a Hub? Try these troubleshooting steps! Has the touch screen become unresponsive (or partially responsive) on your Harmony 950 or Elite? Visit this page for guidance!
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If you purchased our Harmony One Replacement LCD and the installation did not go as planned, review these troubleshooting steps. If you still need help or have any questions, just contact us!
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Harmony 880/890 LCD Installation Tips
The LCD in the 880/890 series is connected to the PCB via a ribbon cable and connector. No soldering is involved, but the ribbon cable is very delicate and easily damaged, so care must be taken with this installation!
Safe Mode Procedure
​Harmony 900 Device Control Troubleshooting
Blaster or devices suddenly not responding? Could it be a problem with IR or RF signals? Has a button gone bad? This document will help you understand and troubleshoot issues that can occur in an AV setup that utilizes the Harmony 900 w/Blaster. 
Safe Mode Procedure
​Harmony 900 'White Screen' Recovery
If your Harmony 900 is not powering on or presenting with a 'white screen', you may be able to recover your remote by trying the steps that are outlined in this document.