displayed message
signification
ERR 4
The 8400 controller no more meas-
ures the temperature correctly: the
process is stopped.
ERR 5
- The connection with the Pt100
sensor is lost.
- The medium temperature is out-
side the authorized range
(T° ≤ -50 °C, -58 °F, or ≥ +170 °C,
+338 °F)
ERR 6
The wire resistance > 11Ω
8400
All manuals and user guides at all-guides.com
What to do
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 re-
sistance is < 11Ω.
2