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Why is my overload tripping?

Most overload conditions are cause by one of the following conditions
  • Substained overload or oversized load for the motor
  • Incorrect wire sized
  • Loose or corroded connection in power circuit
  • Insulation damage 
  • Single phase condition 
  • Very high inrush current
  • Loose heater screw 
  • Incorrect heater or FLA setting

 

for more information on handling, installation and maintenance of controllers and for a troubleshooting guide see the attachment below

  1. Maintenance For controllers TD03309002E.pdf