SmartJack V4.0 Installation Basic Troubleshooting
There are a number of ways to troubleshoot issues that prevent the SmartJack from operating. Here are a few common issues, methods and tools that will help you identify and correct potential issues.
The PLC display or the VFD inverter are great tools to use when troubleshooting. Here are some basics, but if you are unable to correct your issue, please feel free to contact our technical department.
Proximity Sensor Issues- When the Smartjack is wired properly, powered-up and running, the proximity switch at the motor/ gearbox should be energized. When working properly, the led indicator on the proximity sensor should illuminate when the 3-lobed cam on the shaft is closest to the sensor during the operators travel. If it is not, check the wiring to the sensor and make sure you have good terminations in the control box. The 12 input (I-12) as displayed on the PLC, shows the activity of the proximity sensor. When workling properly the input indicator darkens when the sensor is closest to the 3-lobed cam. When operating properly, the display should show a rapid light/dark as the Smartjack is operating. Home Limit Sensor Issues The Home Limit Sensor must operate properly for you to program or operate the SmartJack. To verify the Home Limit Sensor is detecting properly, find the input number 10 (I-10) in the PLC display. If I-10 is dark, the switch is detecting the target bracket (the door should be fully-closed). When the sensor is not detecting, (Door in motion or open) the indicator will be white or clear. If the home sensor is not working, please check the wiring, position of the brackets and proximity switch and terminations in the control box. Basic Input issues To determine if an accessory such as: a pushbutton, motion detector, safety eye or other device is signalling the operator, please see the input for that device in the SmartJack Progamming Manual and check to see if the input is energized (dark circle) or if it is not (white or clear circle). Basic Motor Issues A number of motor related issues can be found by observing the display on the VFD inverter. For these types of errors, please see our Smartjack trouble shooting guide.
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