Shandong Shengya Machinery Co., Ltd. specializing in the production of various types of brick, brick machine, brick machine, hollow brick, pavement brick and other equipment of the old brick factory.
     When you press the "pump" start-stop button and check PLC, the input terminal "X13" indicator light PLC can output terminal of the indicator light can control the pump AC contactor does not pull, the motor is not working. This occurs, first check with a multimeter PLC output terminals of the output voltage. If OK, then check the following.
① If the small intermediate electrical indicators do not light, there is no output voltage relay circuit board, it is usually for the following reasons.
Causes 1. Fault: PLC output terminals to the control circuit of small intermediate relay disconnected.
Remedy: Check the control circuit troubleshooting.
Cause 2. Fault: Small intermediate relay or small relay circuit board is damaged.
Remedy: check and replace the small intermediate relay or small relay circuit.
② If the small intermediate relay LED can light, the output voltage of the circuit board is normal, it is usually for the following reasons:
3. Failure Cause: thermal relay or AC contactor control line is disconnected.
Remedy: Check the control circuit troubleshooting.
4. Failure reason: It may be the motor current overload, resulting in thermal relay trip.
Remedy: After turning off the power, press the reset button on the thermal relay, which can be reset.
5. Failure Cause: thermal relay or AC contactor damaged.
Remedy: Check thermal relay or AC contactor.
    Shandong Shengya Machinery Co., Ltd. has been committed cement products machinery development, production and sale of advanced equipment, superb technical expertise and two decades of experience, the company has always been at the forefront of research and development center block molding machine market development Follow the advanced technology at home and abroad, to develop products for different investment needs of users, mainly block making machine, hydraulic tile machine, cement pipe machine, mixer, hanging roller machine, telephone poles machine equipment. At present the country with 19 offices and six overseas plants (Nigeria, Tanzania, Algeria, Kenya, Mozambique, Ethiopia) and exported more than 100 countries and regions.