Asked — Edited
I have plugged the battery in to charge multiple times following instructions, and it always flashes red. I can't tell what's wrong and the bot won't even turn on after leaving it plugged in for a few minutes. Not sure how to fix it.
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If you locate the version of the charger on the tutorial page, there is a chart that explains the error codes. If you have an error code on the charger (flashing leds), the error code will be visible on that page.
Some errors can be fixed by using a smart charger and others require a battery replacement.
Batteries are damaged by the reasons listed on the tutorial page: http://www.ez-robot.com/Tutorials/Lesson/26
When a battery is damaged, it may not be recoverable and the ez-robot charger will present an error to notify you of the error.
If you are using an ez-robot product, please tell me the LED error code. You can find it by reviewing the link that i have been sending.