The Universiade Sports Center Schneider repair soft starter
Customer: Longgang Universiade Sports Center
Equipment name: central air conditioning system
Model: ATS48 soft starter Schneider
Cause of failure: boot times PHF fault.
According to the failure of a small motor test mode or PHF fault, check module is good, the current transformer is also normal, suspected of driving circuit fault, the oscilloscope test feedback circuit on-line measurement, found by static measurement has two feedback resistor value anomaly, disconnect the cable, the resistance value of normal cleaning cable joint after the resistance values returned to normal on the normal operation of electrical test. Fix after all the normal operation of the test.
Common fault repair LG converter: no display, lack of phase, overcurrent, overvoltage, undervoltage, overheating, overload, grounding, parameter error, output module, display no damage, error; Hong Jia Wei complete accessories, professional maintenance engineers, test with the load test to ensure the quality of maintenance.
Jia Hong Wei repair service hotline: 0755-28916839, 13640994287 Shaw