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Troubleshooting

qSCALE i2 Cranes (Tool Version 3.0.34) Service Manual / Issue B / 11-2017 / ac.

3.2.8 Load Sensing

Please note that when using pressure transducers the load displayed by the RCL is not a direct meas-

urement, but a calculated value that is based on many factors. Factors included that are outside of the

measured values include:

 Operator settings such as:

Operating mode/configuration

Parts of Line/Reeving

Outrigger position

 Rigging parts such as:

Hook block weight

Sling weights, etc.

Tip height (length of load line used)

Boom weights

 Boom attachments such as:

Stowed jibs

Telescopic jib, etc.

Before checking the system for a load-reading problem, make sure all of the above has been ruled out.

When you still feel the system is reading a sensor wrong and thus displaying an incorrect load, use the

following:

Use the previous sections and the individual sensor signal displayed on the screen to double-check the

following:

 boom length reading

 angle transducer reading

 pressure transducer readings

If all are correct, use the zero setting and calibration screens to calibrate angle, length, slew, and tilt. If

you still have a problem, replace pressure transducer(s).

Hirschmann qSCALE i2 Service Manual

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