Endress+Hauser Proservo NMS83 Operating Instructions Manual page 123

Proservo NMS83
Endress+Hauser
Diagnostic Short text
number
Diagnostic of process
801 Energy too low
803 Current loop
803 Current loop
825 System temperature
825 System temperature
826 Sensor temperature
826 Sensor temperature
844 Process value out of
specification
903 Current loop 1 to 2
904 Digital output 1 to 8
941 Echo lost
942 In safety distance
943 In blocking distance
961 Alarm 1 to 4 HighHigh
962 Alarm 1 to 4 High
963 Alarm 1 to 4 Low
964 Alarm 1 to 4 LowLow
965 Alarm 1 to 4 HighHigh
966 Alarm 1 to 4 High
967 Alarm 1 to 4 Low
968 Alarm 1 to 4 LowLow
970 Overtension
971 Undertension
1) Diagnostic behavior can be changed.
Diagnostics and troubleshooting
Remedy instructions
Increase supply voltage
1. Check device configuration.
2. Check wiring.
1. Check ambient temperature
2. Check process temperature
1. Check ambient temperature
2. Check process temperature
1. Check process value
2. Check application
3. Check sensor
1. Check device configuration.
2. Check wiring.
1. Check device configuration.
2. Check wiring.
1. Check process value
2. Check application
3. Check sensor
1. Check level
2. Check safety distance
3. Reset self holding
Reduced accuracy
Check level
1. Check level
2. Check configuration settings
1. Check level
2. Check configuration settings
1. Check level
2. Check configuration settings
1. Check level
2. Check configuration settings
1. Check level
2. Check configuration settings
1. Check level
2. Check configuration settings
1. Check level
2. Check configuration settings
1. Check level
2. Check configuration settings
1. Check displacer and process
conditions
2. Release overtension
Check displacer and process.
Status Diagnostic
signal behavior
[from the [from the
factory] factory]
S Warning
F Alarm
C Warning
S Warning
F Alarm
S Warning
F Alarm
1)
S Warning
F Alarm
F Alarm
S Warning
S Warning
S Warning
C Warning
C Warning
C Warning
C Warning
F Alarm
F Alarm
F Alarm
F Alarm
C Alarm
C Alarm
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