Client: Buji, Shenzhen, on a printing factory

Device: KOMORI KOMORI

Printing machine

Fault phenomenon: the power PLC controller has a signal but the main motor does not turn.

Fault analysis: This equipment for the old original Japanese KOMORI printing machine view line is basically intact. Customer reaction is still able to work in the morning to the normal operation of this fault occurs in the afternoon. The PLC controller has an output signal in the start of the test. The main motor is controlled by PLC to signal control. Host control for SANYO VF64 variable frequency drive, but the encoder is closed loop control. Printing machine a start-up frequency converter alarm "OC" to explain the fault problem in the host motor inverter. The investigation of frequency converter

Output module and drive W phase damage.

Failure repair: replacement of the inverter module

W driver, capacitor. Power up again.

KOMORI printer maintenance: KOMORI printer circuit board, driver board repair, maintenance, control of the servo control board IO board maintenance, maintenance, maintenance, display control panel display driver board repair, computer maintenance, maintenance of power supply board.

Jia Hong Wei repair service hotline: 0755-28916839, 13640994287 Shaw