62
8 Diagnosis, asset management and service
VEGAPULS 69 • Modbus and Levelmaster protocol
47252-EN-210205
Code
Text message
Cause
Rectification
F264
Installation/Setup error
Adjustment not within the vessel height/
measuring range
Max. measuring range of the instrument
not sufficient
Check or correct installation and/or pa
-
rameter settings
Use an instrument with bigger measur-
ing range
F265
Measurement function
disturbed
Sensor no longer carries out a measure-
ment
Operating voltage too low
Check operating voltage
Carry out a reset
Disconnect operating voltage briefly
Code
Text message
Cause
Rectification
C700
Simulation active
A simulation is active
Finish simulation
Wait for the automatic end after 60 mins.
Code
Text message
Cause
Rectification
S600
Impermissible electron-
ics temperature
Temperature of the electronics in the non-
specified range
Check ambient temperature
Insulate electronics
S601
Overfilling
Danger of vessel overfilling
Make sure that there is no further filling
Check level in the vessel
Code
Text message
Cause
Rectification
M500
Error during the reset
"delivery status"
The data could not be restored during the
reset to delivery status
Repeat reset
Load XML file with sensor data into the
sensor
M501
Error in the non-active
linearisation table
Hardware error EEPROM
Exchanging the electronics
Send instrument for repair
M502
Error in the event mem-
ory
Hardware error EEPROM
Exchanging the electronics
Send instrument for repair
M503
Measurement reliabili-
ty too low
The echo/noise ratio is too small for relia
-
ble measurement
Antenna dirty or defective
Check installation and process conditions
Change polarisation direction
Use instrument with higher sensitivity
Clean the antenna
M504
Error at a device inter-
face
Hardware defect
Check connections
Exchanging the electronics
Send instrument for repair
Function check
Out of specification
Maintenance
