Motor Runs But is Noisy

WARNING: Troubleshooting and repairs should be completed by a qualified technician or licensed electrician. Failure to follow safe guidelines will result in injury or death. Power to the door should be disconnected prior to attempting any repair.

Voltage

Brake Not Releasing


Operator Rattles


Operator Makes a Clicking Noise


Bad Cable Wind



Cable Sheave Worn One Side More Than the Other


Belt Rolls on Back Side


Brake Chatters or Hums

 


WARNING: Troubleshooting and repairs should be completed by a qualified technician or licensed electrician. Failure to follow safe guidelines will result in injury or death. Power to the door should be disconnected prior to attempting any repair.