In either scenario the only solution is to purchase a new one. In some cases the fast wireless charging mode can cause conflicts which causes the samsung wireless charger stops charging your phone.

Does Wireless Charging Degrade Your Battery Faster We Asked
Samsung wireless charger stops charging. Go to settings and slide the fast wireless charging to off. I have just updated the latest os marshmellow. If the samsung wireless charger charges your phone normally and then after a short time or a long time it starts flashing blue and stops charging the phone vibration may be the cause. I exchanged it for another and the cashier told me others were having the same problem. If your phone gets many notifications it may shift and would not be on the charging area the exact center. Since then when i use the samsung wireless charging pad the led startings blinking blue after a few minutes and stops charging.
Got the samsung wireless charger when i picked up my note 5 and it was doing the same thing. It happens repeatedly when i just plug the cord into the phone it. Before that the charging pad worked fine all the time. I have just updated the latest osmarshmellow. Wireless charging pad stops charging and blue led starts blinking note 5. When your wireless charger stops working starts charging slower keeps making your phone turn on and off or anything else its time to start troubleshooting.
You need to turn off this mode. Galaxy s4 galaxy s5 galaxy note4 galaxy note edge and galaxy note3 these galaxy smartphones require wireless charging battery covers sold separately as well as the galaxy s6 galaxy s6 active galaxy s6 edge. Since then when i use the samsung wireless charging pad the led startings blinking blue after a few minutes and stops charging. Well could you give us the model number of the wireless charger and the phones you are using with it. Wide compatibility the samsung wireless charging pad is qi certified by the wireless power consortium wpc and is compatible with all qi enabled devices including from samsung. The smartphone stops at 60 or 80 and cant get full.
And worse still nothing happens when you place the phone onto the charging pad. Iphone or samsung phone is frozen or unresponsive. With the new one it still pauses charging even when putting my phone into safe mode. Charging is very slow. Too warm or overheating. You can confirm this by using your phones own fast charger and that should resume normal charging.
Plug in your phone and if it says cable charging that means the wireless chargers adapter is either not fast charging compatible or is malfunctioning. Wireless charger is not working properly. Troubleshooting android boot problems fixing a wireless charger is similar to fixing other devices that decide to not play well with android. 873 8. Turning off fast wireless charging allows the phone to get charged in the standard mode.