What does the error code Err 1 mean on the ProInstall100DK?

Q: What does the error code Err 1 mean on the ProInstall100DK?

The error code Err 1 means "Self test failed" . It is an internal diagnosis of the ProInstall100DK indicating that the tester has failed its automatic integrity check at startup. This error reveals a serious hardware problem in the device - it is not functioning properly and cannot be used reliably for your measurements. What to do: Return the device to a service center - This is the only solution recommended by the manufacturer Beha-Amprobe. The device will need to be repaired or replaced. Check that you do not have weak batteries (the device requires 6 AA batteries) - replace them if necessary before concluding, but Err 1 usually persists in case of an internal electronic problem. Unlike other error codes of the ProInstall100DK (Err 2 for overheating, Err 4 for excessive voltage, etc.) which can often be resolved by a simple action, Err 1 indicates a defect that a professional repair cannot circumvent.

Question

Accepted Answer

The error code Err 1 means "Self test failed". It is an internal diagnosis of the ProInstall100DK indicating that the tester has failed its automatic integrity check at startup.

This error reveals a serious hardware problem in the device - it is not functioning properly and cannot be used reliably for your measurements.

What to do:

Return the device to a service center - This is the only solution recommended by the manufacturer Beha-Amprobe. The device will need to be repaired or replaced.
Check that you do not have weak batteries (the device requires 6 AA batteries) - replace them if necessary before concluding, but Err 1 usually persists in case of an internal electronic problem.

Unlike other error codes of the ProInstall100DK (Err 2 for overheating, Err 4 for excessive voltage, etc.) which can often be resolved by a simple action, Err 1 indicates a defect that a professional repair cannot circumvent.

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