sensitive strain gauges are extremely small. A load bar that has its rated capacity
weight applied outputs less than 0.007 volts of signal.
Each load cell is sampled independently many times per second, which allows the T30
to continuously monitor any problems that could occur. One of these problems is an
overload condition. Any bar that is overloaded will be displayed, even if the overload
only lasts for a fraction of a second. This feature enables the user to minimize possible
damage and ensure a more reliable weight, as well as extending the useful life of the
scale.
If an error message is displayed, turn the indicator off, and closely inspect the cables
connecting the weigh bars or load cells. If there is a cut in the outer sheath, or a
squashed section of cable, it may have to be replaced.
If there doesn’t appear to be any visible damage after inspecting the installation, contact your
supplier or distributor, quoting the error number that appeared. They may be able to help with a
cure.
The possible error messages are as follows:
Error Explanation Possible Cause/Remedy
Err Load cells not plugged in properly Connect load cells
Er01 Load cell 1 at minimum signal Broken cable, new cable
Er02 Load cell 1 at maximum signal Broken cable, new cable
Er03 Load cell 2 at minimum signal Broken cable, new cable
Er04 Load cell 2 at maximum signal Broken cable, new cable
Er09 A/D converter not communicating Servicing required
Er13 No EEROM Servicing required
Er15 3.3V low Shorted cable or failure
Er28 No A/D samples Servicing required
Er32 A/D converter timeout Servicing required
Er36 Test weight < zero weight Incorrect wiring, L/C inverted
Er38 No load cell in socket 1 Connect load cell 1
Er39 No load cell in socket 2 Connect load cell 2
Er40 Shorted identifier in socket 1 Wiring error, incorrect load cell
Er41 Shorted identifier in socket 2 Wiring error, incorrect load cell
Er42 Not enough span in load cell 1 Faulty load cell
Er43 Not enough span in load cell 2 Faulty load cell
Er44 Can’t turn off Servicing required
Er45 Circuitry mismatch Servicing required
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