User's Manual

62
9 Diagnosis, asset management and service
VEGAPULS 64 • 4 … 20 mA/HART - two-wire
51141-EN-160616
Code
Text message
Cause Rectication DevSpec State in CMD
48
S601
Overlling
– Danger of vessel
overlling
– Make sure that there is
nofurtherlling
– Check level in the vessel
Bit 9 of Byte 14…24
S603
Impermissible operating
voltage
– Operating voltage below
speciedrange
– Check electrical con-
nection
– If necessary, increase
operating voltage
Bit 11 of Byte 14…24
The 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 message
Cause Rectication DevSpec State in CMD
48
M500
Error with the reset deliv-
ery status
– With the reset to delivery
status, the data could
not be restored
– Repeat reset
– LoadXMLlewithsen-
sor data into the sensor
Bit 0 of Byte 14…24
M501
Error in the non-active lin-
earizationtable
– Hardware error
EEPROM
– Exchanging the elec-
tronics
– Send instrument for
repair
Bit 1 of Byte 14…24
M502
Error in the event memory
– Hardware error
EEPROM
– Exchanging the elec-
tronics
– Send instrument for
repair
Bit 2 of Byte 14…24
M503
Meas. reliability too low
– The echo/noise ratio
is too small for reliable
measurement
– Antenna dirty or defec-
tive
– Check installation and
process conditions
– Change polarisation
direction
– Use instrument with
higher sensitivity
– Clean the antenna
Bit 3 of Byte 14…24
M504
Error on an device inter-
face
– Hardware defect – Check connections
– Exchanging the elec-
tronics
– Send instrument for
repair
Bit 4 of Byte 14…24
M505
No echo available
– Sensor does not detect
an echo during opera-
tion
– Antenna dirty or defec-
tive
– Clean the antenna
– Use a more suitable
antenna/sensor
– Remove possible false
echoes
– Optimizesensorposition
and orientation
Bit 5 of Byte 14…24
M506
Installation/Setup error
– Error during setup – Check or correct instal-
lation and/or parameter
adjustment
Bit 6 of Byte 14…24
Maintenance