Equipment name: automatic folding printing bookbinding machine

Equipment failure: start less than one minute alarm system

Fault analysis: this device of printed folding binding machine according to the fault is the main problem to provide customers with a touchscreen and PLC control inverter starting the engine. After printing, folding machine, binding machine, assembling machine, bag machine and cutting machine to complete. According to the fault of the inspection found that the frequency converter alarm system failure alarm. The frequency converter to check the start signal is not found, the operation of the signal is after the protection circuit to the PLC control. A separate test run signal converter external measurement found invalid, external start signal control circuit was burned. After the replacement restart fault.

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