61
9 Diagnosis, asset management and service
VEGAPULS 64 • 4 … 20 mA/HART - two-wire
51141-EN-160815
Code
Text message
Cause
Rectification
DevSpec State in CMD
48
S601
Overfilling
– Danger of vessel
overfilling
– Make sure that there is
no further filling
– Check level in the vessel
Bit 9 of Byte 14 … 24
S603
Impermissible operating
voltage
– Operating voltage below
specified 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
Rectification
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 file 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