Manual
Code
Text
mes-
sage
Cause Rectification
S600
Unpermissible
electronics
temperature
l Temperature of the elec-
tronics in the non-specified
section
l Check ambient tempera-
ture
l Isolate electronics
l Use instrument with higher
temperature range
S601
Overfilling
l Danger of vessel overfilling l Make sure that there is no
further filling
l Check level in the vessel
Th
e following table shows the error codes and text messages in the
status message "Maintenance" and provides information on causes as
well as corrective measures.
Code
Text
mes-
sage
Cause Rectification
M500
Error with the
reset delivery
status
l With the reset to delivery
status, the data could not
be restored
l Repeat reset
l Load XML file with sensor
data into the sensor
M501
Error in the
non-active lin-
earization ta-
ble
l Hardware error EEPROM l Exchange of the elec-
tronics
l Send instrument for repair
M502
Error in the
diagnosis
memory
l Hardware error EEPROM l Exchange of the elec-
tronics
l Send instrument for repair
M503
Reliability too
low
l The echot/noise ratio is the
small for a reliable meas-
urement
l Check installation and
process conditions
l Clean the antenna
l Change polarisation direc-
tion
l Use instrument with higher
sensitivity
M504
Error on an
device inter-
face
l Hardware defect l Check connections
l Exchange of the elec-
tronics
l Send instrument for repair
Maint
enance
52 LEVEL TRANSMITTER 8136 • 4 … 20 mA/HART - two-wire
9 Diagnosis, Asset Management and service
41783-EN-120316










