Troubleshooting
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qSCALE i2 Cranes (Tool Version 3.0.34) Service Manual / Issue B / 11-2017 / ac.
The signal runs from the angle sensor to the CAN Bus converter board or CAN Bus junction block
board, both located in the cable reel. From there, it travels as digital information on the CAN Bus to the
central processing unit.
Measure the voltage between pins 3 (GND) and 2 (+) while the angle sensor is still connected to the
CAN Bus Converter or Junction Board. If the voltage is not within the acceptable range, unplug the
sensor and re-measure. If unplugging the sensor resolved the voltage issue, replace the sensor. If the
voltage is still outside of the acceptable range, unplug the power source to the CAN Bus Converter or
Junction Board and re-measure. If unplugging the board resolved the voltage issue, replace the board.
If the voltage is still outside of the acceptable range, power to the CAN line may be the issue. Check the
entire CAN Bus system to ensure proper wiring and connections.
The CAN Bus Converter Board acts as a junction for the angle sensor, and converts the length and A2B
signals to CAN. The angle sensor will be connected to X3.
The CAN Bus Junction Board is a passive device that acts as a junction for CAN sensors.
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