65
Maintenance and troubleshooting
Red
LED
Current
output
Transistor
output
Icon Message dis-
played in the
Info menu
Possible cause Recommended action
ON 22 mA depending
on
thresholds
ERR
+
"TR EE Fact
Read"
Parameter reading error. → Switch the power supply
off then on again.
→ If the error persists,
set the device back
to the default settings
(chap. 9.11.4).
→ If the error persists, return
the device to Bürkert.
"TR EE User
Read"
ON 22 mA depending
on
thresholds
ERR
+
"TR EE
UserWrite"
Parameter saving error. → Switch the power supply
off then on again.
→ Save the settings again.
→ If the error persists,
set the device back
to the default settings
(chap. 9.11.4).
→ If the error persists, return
the device to Bürkert.
OFF 4-20 mA depending
on
thresholds
+
"S Buff Diff
ORP"
"S Buff Diff pH"
"S Buff pH
ORP"
The pH or redox value
is not being correctly
measured due to the
saturation of the input
stage of the measuring
board (common mode).
→ Check the wiring.
→ Check the equipotential
surfaces of the installation.
OFF 4-20 mA depending
on
thresholds
+
"S RTC Reinit" The date and time are
lost because the device
has not been powered
up for at least 5 days.
The message is only
displayed at the first
powering up.
→ Set the date and time
(see chap. 9.11.2).
→ Energize the transmitter
for at least 4 hours so
that the date and time are
battery fed for 5 days.
English
Type 8202 ELEMENT