Ryobi RM480ex beeps 5x and runs slow

[jaybarry1946]

The headline says it all. My Ryobi RM480ex beeps 5x when I turn the key and then runs very slow??? Help!! Thanks

 

[Tiger Small Engine]

The headline says it all. My Ryobi RM480ex beeps 5x when I turn the key and then runs very slow??? Help!! Thanks

It is an off brand, big box store battery mower that many shops don’t work on, including me. I only work on gas engines by choice.