Error code E21 on Proform treadmill indicates the console is not receiving information from the speed sensor on the front roller. The motor will start, and when the console does not receive the signal that the front roller is turning, it shuts the treadmill off. First, determine if the motor is turning before you get the E21 or not. If the motor turns, the speed sensor is the most likely ...
read moreIf you're repairing your Proform, Nordictrack, Epic, or Healthrider treadmill by replacing the lower motor control board and you're buying a MC2100LTS-30, MC2100LT-12, and MC2100LTS-50W from a parts vendor. Stop, collaborate, and LISTEN... You're in fact buying what is called "new old stock" - meaning, they are purging the last of the discontinued stock in order to receive the freshly ...
read more