Burkert Type 8619 - Manual (Page 126)

124
Maintenanceandtroubleshooting
message dis-
played in the
"information"
menu meaning recommended action
"Mx:E:RTD open" The temperature sensor is not connected to
the "Mx" module
This message may only be displayed if the
measurement mode of the temperature
for module "Mx" is set to "automatic" (see
chap. 8.10.23 and/or 8.10.24)
→
Connect a temperature sensor to the
"Mx" module or
→
set the temperature value used in
the process to "Manual" mode (see
chap. 8.10.23 and/or 8.10.24)
9.3.2. "error" events related to a problem with the device (left red
leD and icons
X and displayed)
When an error event related to a problem with the device is generated:
• The 4-20 mA output(s) generate a current of 22 mA
• The transistor outputs operate normally.
message dis-
played in the
"information"
menu meaning recommended action
"Mx:E:ORP sat."
"MxE:pH sat."
The pH and/or redox value is not being cor-
rectly measured due to the saturation of the
input stage of the measuring board
→
Check the correct wiring of the earth
points
→
check the equipotential surfaces of the
installation
"M0:E:Mx com." The link to the measurement module(s) is
interrupted
→
Switch the power supply off then on
again
→
if the error persists, return the device to
Bürkert
"Mx:E:Memory FR" Factory data is lost.
The process continues but the accuracy of the
device is modified.
→
Switch the power supply off then on
again
→
if the error persists, return the device to
Bürkert "Mx:E:Memory IR"
"Mx:E:Memory
UR" User data for the sensor is lost
→
Switch the power supply off then on
again
→
check the parameters of all the sensors
then save them again
→
if the error persists, return the device to
Bürkert
"Mx:E:Memory
UW"
Type 8619
english