Residential Products Division AFCI Troubleshooting Guide Eaton Corporation Residential Products Division 1000 Cherrington Parkway Moon Township, PA 15108 Beta Release2.
AFCI Troubleshooting Guide CAUTION Working with live electrical equipment could result in death, personal injury or property damage. This troubleshooting guide is meant to be used by a qualified electrician or technician in accordance with local and national electric codes. Preface: This guide provides basic procedures for troubleshooting Arc Fault Circuit Interrupters and associated electrical equipment and circuits.
AFCI Troubleshooting Guide AFCI trips instantly when a load is applied NO Do all loads trip it every time? Possibility of High Inrush Current on Motor Load Causing AFCI to Overload. Document the make, model and serial # of the loads are tripping the AFCI. Contact the TRC at 1-800-326-9513 NO Check for Grounded Neutrals Turn the breaker off. Remove load hot and load neutral from the breaker. Use an ohm meter to check for continuity between the load neutral and the neutral bar in the panel.
AFCI Troubleshooting Guide AFCI Trips Instantly with No Load Verify the Breaker is Operating Correctly Disconnect the load hot and load neutral from the breaker, leaving the pigtail connected to the neutral bar. Reset the breaker. Does the breaker stay on? NO YES Check the Utility Voltage Check for Short Circuit Measure voltage between line and neutral Unplug all loads and turn all light switches off. Verify there is no continuity between the load hot and load neutral OR the load hot and ground.
AFCI Troubleshooting Guide AFCI Trips After a Fixed Amount of Time Check for Overloads Calculate the total amperage of all the loads on the circuit to see If exceeds the amp rating of the AFCI YES Is the amperage over the rated limit of the AFCI? Run another circuit or transfer loads to a nearby existing circuit.
