User guide

Troubleshooting

6 Troubleshooting

6. 1 Error and Warning Codes

If an error occurs in the electronics, the color of the status LED changes from green to red and

the display shows an error or warning code, as outlined below:

• E-code for errors

In the event of an error message, the measured value is unreliable.

•W-code for warnings

In the event of a warning, the measured value is still reliable.

Error Codes

Code Explanation

E011 Device configuration faulty

E012 Error in measurement

E015 Device error (internal)

E019 Power supply has under voltage/over voltage

E020 Device error (internal)

E021 Device error (internal)

E022 USB supply voltage

E025 Switching contact 1 is not open, although it should be open

E026 Switching contact 2 is not open, although it should be open

E040 Device error (internal)

E042 Output current cannot be generated.

Possible cause: analog output not connected

E044 Excessive output current drift (±0.5 mA)