Diagnostics and troubleshooting Levelflex FMP55 HART
94 Endress+Hauser
Diagnostic
number
Short text Remedy instructions Status
signal
[from the
factory]
Diagnostic
behavior
[from the
factory]
431 Trim 1 to 2 Carry out trim C Warning
435 Linearization Check linearization table F Alarm
437 Configuration
incompatible
1. Restart device
2. Contact service
F Alarm
438 Dataset 1. Check data set file
2. Check device configuration
3. Up- and download new
configuration
M Warning
441 Current output 1 to 2 1. Check process
2. Check current output settings
S Warning
484 Failure mode
simulation
Deactivate simulation C Alarm
485 Simulation measured
value
Deactivate simulation C Warning
491 Current output 1 to 2
simulation
Deactivate simulation C Warning
494 Switch output
simulation
Deactivate simulation switch output C Warning
495 Diagnostic event
simulation
Deactivate simulation C Warning
585 Simulation distance Deactivate simulation C Warning
Diagnostic of process
801 Energy too low Increase supply voltage S Warning
803 Current loop 1. Check wiring
2. Change I/O module
F Alarm
825 Operating temperature 1. Check ambient temperature
2. Check process temperature
S Warning
825 Operating temperature F Alarm
921 Change of reference 1. Check reference configuration
2. Check pressure
3. Check sensor
S Warning
936 EMC interference Check installation on EMC F Alarm
941 Echo lost Check parameter 'DC value' F Alarm
1)
942 In safety distance 1. Check level
2. Check safety distance
3. Reset self holding
S Alarm
1)
943 In blocking distance Reduced accuracy
Check level
S Warning
944 Level range Reduced accuracy
Level at process connection
S Warning
950 Advanced diagnostic
1 to 2 occured
Maintain your diagnostic event M Warning
1)
1) Diagnostic behavior can be changed.
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