Siemens Sitrans LR400 Instruction Manual page 87

Message
Memory defect Memory error
SSC/ASC
EEPROM failure
defect
ADC defect ADC failure
Communication Either:
processor 1. PROFIBUS card not found.
defect 2. HART card not found.
DSP defect DSP failure
Inaccurate
measurement DSP failure
value
Software error Software watchdog time-out
One or more of:
1. Temperature calibration value out of
range.
Self-calibration
2. Analog output calibration values not
error
calibrated.
3. 'ReferenceLength' or ' A ntennaOffset'
not calibrated
Invalid
Parameters are inconsistent (for example,
parameter
URV=LRV).
setting
'Maint Required Limit' (Device Lifetime
Device Lifetime
Limit 1) has exceeded the remaining
Limit1
device lifetime.
'Maint Demanded Limit' (Device Lifetime
Device Lifetime
Limit 2) has exceeded the remaining
Limit2
device lifetime.
'Maint Required Limit' (Sensor Lifetime
Sensor Lifetime
Limit 1) has exceeded the remaining
Limit1
sensor lifetime.
'Maint Demanded Limit' (Sensor Lifetime
Sensor Lifetime
Limit 2) has exceeded the remaining
Limit2
sensor lifetime.
Device Service Service interval has exceeded the 'Maint
Limit1 Required Limit' (Device Service Limit 1).
Device Service Service interval has exceeded the 'Maint
Limit2 Demanded Limit' (Device Service Limit 2).
Calibration interval has exceeded the
Calibration
'Maint Required Limit' (Calibration
Schedule Limit1
Schedule Limit 1).
Calibration interval has exceeded the
Calibration
'Maint Demanded Limit' (Calibration
Schedule Limit2
Schedule Limit 2).
7ML19985FH06 SITRANS LR400 (7ML5421) – INSTRUCTION MANUAL
Possible causes
Electronics
Software
Application
Maintenance
Remedy
Reset power. If defect persists,
perform a factory reset. If still
defective, contact your local Siemens
representative.
Repair required: contact your local
Siemens representative.
Repair required: contact your local
Siemens representative.
Repair required: contact your local
Siemens representative.
Repair required: contact your local
Siemens representative.
Repair required: contact your local
Siemens representative.
Repair required: contact your local
Siemens representative.
Repair required: contact your local
Siemens representative.
Adjust customer parameters.
Replacement is recommended.
Replacement is recommended.
Replacement is recommended.
Replacement is recommended.
Perform service.
Perform service.
Perform calibration.
Perform calibration.
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