Circuit board screen printing equipment maintenance
Customer: Shenzhen City Pingshan an electronic company
Equipment: automatic screen printing machine
Equipment failure: the left and right printing machine does not work
Failure analysis: customers on the phone said that the circuit board screen printing machine in the boot operation is not running. After your electrician to confirm the communication for the inverter fault. After your confirmation to the inverter to start running the alarm "PF01" fault, the frequency converter for the love of the AS107 inverter. Frequency converter operation signal for MITSUBISHI PLC control. Open converter through the measurement drive protection circuit fault caused by output protection.
Failure repair: replace the drive PC817, IC:A4503 after the power up, the operation is normal.
Jia Hong Wei repair circuit board screen printing equipment PLC common failure: no show, phase, over current, over current, over voltage, under voltage, over heat, over load, ground, parameter errors, there is no output, module damage, etc.
Jia Hong Wei repair service hotline: 0755-28916839, 13640994287 Shaw