46
11 Diagnostics and servicing
VEGAPULS 31 • Two-wire 4 … 20 mA/HART
57820-EN-191014
Code
Text message
Cause
Rectification
DevSpec
State in CMD 48
F265
Measurement func-
tion disturbed
Program sequence of the measur-
ing function disturbed
Device restarts automatically
Byte 4, Bit 3 of
Byte 0 … 5
Code
Text message
Cause
Rectification
DevSpec
State in CMD 48
C700
Simulation active
A simulation is active
Finish simulation
Wait for the automatic end after
60 mins.
"Simulation Active"
in "Standardized
Status 0"
Code
Text message
Cause
Rectification
DevSpec
State in CMD 48
S600
Impermissible elec-
tronics temperature
Temperature of the electronics in
the non-specified range
Check ambient temperature
Insulate electronics
Byte 23, Bit 4 of
Byte 14 … 24
S601
Overfilling
Danger of vessel overfilling
Make sure that there is no fur-
ther filling
Check level in the vessel
Byte 23, Bit 5 of
Byte 14 … 24
S603
Impermissible oper-
ating voltage
Terminal voltage too small
Check terminal voltage, increase
operating voltage
Byte 23, Bit 6 of
Byte 14 … 24
Code
Text message
Cause
Rectification
DevSpec
State in CMD 48
M500
Error in the delivery
status
Bit 0 of
Byte 14 … 24
M501
Error in the delivery
status
Bit 1 of
Byte 14 … 24
M504
Error at a device in-
terface
Hardware defect
Check connections
Exchanging the electronics
Send instrument for repair
Bit 4 of
Byte 14 … 24
M505
No echo available
Sensor does not detect an echo
during operation
Antenna dirty or defective
Clean the antenna
Use a more suitable antenna/
sensor
Remove possible false echoes
Optimize sensor position and ori-
entation
Bit 5 of
Byte 14 … 24
Function check
Out of specification
Maintenance
