https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/4-flashing-red-lights-and-can-t-charge-or-pair/m-p/757659#M3189 <P><a href="https://community.squareup.com/t5/user/viewprofilepage/user-id/693730">@boris2</a>&nbsp;;</P><P>Charge your reader for a few hours 1 or 2, the longer the better.&nbsp; Leave it Plugged in and charging, and try to Pair it to your Device.&nbsp; Make sure your reader is only paired to ONE device, as these readers can only be paired to one device at a time.&nbsp; So if its Paired to your phone and now you need it paired to a Tablet, it needs to be unpaired from your phone.&nbsp;&nbsp;</P><P>I am not sure why your reader was not charging unless the charging port became damaged over time, or the actual charger was not plogged in and you thought it was charging.&nbsp; My wife like to turn off Power strips which my items are plugged into to charge and then they don't thanks to the power strip getting turned off.&nbsp;&nbsp;</P> Sat, 19 Oct 2024 18:39:10 GMT Candlestore 2024-10-19T18:39:10Z https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/4-flashing-red-lights-and-can-t-charge-or-pair/m-p/757652#M3188 <P>My 1st gen square reader is only flashing 4 red light every once in a while, as I’m trying to re-pair the reader to my device. It will not flash orange. Before I disconnected the reader, the reader was not charging and stuck at 0%.</P> Sun, 21 Sep 2025 10:05:04 GMT https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/4-flashing-red-lights-and-can-t-charge-or-pair/m-p/757652#M3188 boris2 2025-09-21T10:05:04Z https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/4-flashing-red-lights-and-can-t-charge-or-pair/m-p/757659#M3189 <P><a href="https://community.squareup.com/t5/user/viewprofilepage/user-id/693730">@boris2</a>&nbsp;;</P><P>Charge your reader for a few hours 1 or 2, the longer the better.&nbsp; Leave it Plugged in and charging, and try to Pair it to your Device.&nbsp; Make sure your reader is only paired to ONE device, as these readers can only be paired to one device at a time.&nbsp; So if its Paired to your phone and now you need it paired to a Tablet, it needs to be unpaired from your phone.&nbsp;&nbsp;</P><P>I am not sure why your reader was not charging unless the charging port became damaged over time, or the actual charger was not plogged in and you thought it was charging.&nbsp; My wife like to turn off Power strips which my items are plugged into to charge and then they don't thanks to the power strip getting turned off.&nbsp;&nbsp;</P> Sat, 19 Oct 2024 18:39:10 GMT https://community.squareup.com/t5/Hardware-Setup-Troubleshooting/4-flashing-red-lights-and-can-t-charge-or-pair/m-p/757659#M3189 Candlestore 2024-10-19T18:39:10Z