ABB LST300 - Diagnostic messages

52 LST300 | COMPACT ULTRASONIC LEVEL TRANSMITTER | LST300–EN REV. E
8 Diagnostic messages
The LST300 provides several diagnostic messages that can be viewed from the menu. The diagnostic messages provide insight
into the state of the current process and is valuable for application troubleshooting.
Table 3 details each diagnostic message together with possible causes and remedial actions.
Error no. / Range Text on the LCD display Cause Remedy / Spare part

Process
Primary variable exceeds limit
Confirm process variable limits
Primary variable exceeds limit Confirm the process variable and
take action for limit exceeding.

Process
Primary Variable is exceeds range
Confirm Primary Variable range
Primary variable exceeds range Confirm Primary Variable and take
action for range exceeding.

Electronics
Sensor board failure
Restart device. If failure, contact
ABB service
Sensor board failure Re-start the device. If this fails to
solve the problem, contact ABB Level
Support at http://www.abb.com/
level.

Electronics
Sensor board write memory error.
Restart device. If failure, contact
ABB service
Sensor board write memory failure Re-start the device. If this fails to
solve the problem, contact ABB Level
Support at http://www.abb.com/
level.

Electronics
Electronics board write memory
error.
Restart device. If failure, contact
ABB service
Electronics board write memory
failure
Re-start the device. If this fails to
solve the problem, contact ABB Level
Support at http://www.abb.com/
level.

Operation
Incorrect voltage for device
Check power supply
Incorrect voltage for proper device
operation
Check power supply.

Process
Environment temperature exceed
Measurement may be invalid. Check
temperature
Environmental conditions exceed
acceptable device operating
conditions
Measurement reading may be
invalid. Rectify improper
environmental conditions.

Configuration
Measurement data simulate
Confirm device should be in
simulation mode
One or more measurement values
are in simulation mode
Confirm measurement values should
be in simulation mode.

Electronics
Current output circuit failure
Restart device. If failure, contact
ABB service
Current output circuit has failed Re-start the device. If this fails to
solve the problem, replace the
electronics board.

Electronics
Electronics board failure
Restart device. If failure, contact
ABB service
Electronics board failure Re-start the device. If this fails to
solve the problem, contact ABB Level
Support at http://www.abb.com/
level.

Process
Sensor initialized data get error
Restart device. If failure, contact
ABB service
Sensor board configuration data
cannot got.
Re-start the device. If this fails to
solve the problem, contact ABB Level
Support at http://www.abb.com/
level.

Operation
NV replace error
Restart device. If failure, contact
ABB service
An error occurred during a NV
Replace effort
Re-start the device. If this fails to
solve the problem, contact ABB Level
Support at http://www.abb.com/
level.

Process
Current is in saturation level
Monitor process conditions
Current is in saturation level Monitor process conditions.
Table 4 LST300 diagnostic messages