Jet IBG-8VSB Operating Instructions Manual

Contents

1110.0 Troubleshooting IBG-8VSB Buffer10.1 General electrical and mechanical problemsTable 3Symptom Possible Cause Correction *Motor will not start. Not connected to power source. Verify that plug is properly inserted intoreceptacle.Motor cord cut or abraded. Replace with new cord.Wheels cannot rotate because ofobstruction.Unplug and turn wheel by hand to ensurefree movement. Restart.Plug on cord is faulty. Replace with new plug.Low line voltage. Check power line for proper voltage.Fuse blown or circuit breaker open. Re-set. May be too many machines onone line.Faulty switch. Replace switch.Open circuit in motor or looseconnection.Inspect all lead connections on motor forloose or open connections.Motor faulty, or inverter PCB fault. Contact JET technical service.Motor will not start;fuses blow or circuitbreakers trip.Too many electrical machinesrunning on same circuit.Turn off other machines and try again.Incorrect fuse. Use time-delay fuse, or go to circuit withhigher rated fuse or breaker.Wheels cannot rotate because ofobstruction.Unplug and turn wheel by hand to ensurefree movement. Clear any obstructionsand restart.Undersized extension cord. Use correct size extension cord.Short circuit in line cord or plug. Inspect cord or plug for damagedinsulation and shorted wires.Short circuit in motor or looseconnections.Inspect all connections on motor for looseor shorted terminals or worn insulation.Motor fails to developfull power.Low line voltage. Check power line for proper voltage.Faulty motor or capacitor. Contact JET technical service.Motor overheats. Motor overloaded. Reduce pressure against wheel. Makesure wheel is appropriate for the job.Motor stalls, resultingin blown fuses ortripped circuit.Motor overloaded. Reduce load on motor; do not press sohard.Capacitor failure. Contact JET technical service.Short circuit in motor or looseconnections.Inspect connections on motor for loose orshorted terminals or worn insulation.Low voltage. Correct the low voltage conditions.Incorrect fuses or circuit breakers inpower line.Install correct fuses or breakers.