Burkert 8400 Manuel D'instructions page 23

Type of message
ERR 2 The calibration parameters cannot be
accessed.
Menu reading error: the process goes on
operating.
ERR 4 The 8400 controller no more measures the
temperature correctly: the process is
stopped.
ERR 5 - the connection with the Pt100 sensor is
lost.
- The medium temperature is out of the
authorized range ( T° ≤ -50 °C, -58 °F or
≥ +170 °C, +338 °F)
The wire resistance > 11 Ω
ERR6
8400
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Description
Press the UP and DOWN keys under the display
to scroll through the menus.
If the message appears frequently, send the
device back to your Bürkert sales office.
Switch the controller off than on again.
If the message appears frequently, send the
device back to your Bürkert sales office.
- Send the device back to your Bürkert sales
office.
- Check the temperature of the process.
Check that the 3 wires of the cable connecting the
Pt100 sensor to the controller are connected and
that the wire resistance is < 11 Ω.
23
Solution