172-65639M-01 (EF200) 13 Apr 2018
71
Diagnostic of process
801
Supply voltage too
low
Increase supply voltage
S
Warning
803
Current loop
1. Check wiring
2. Change I/O module
F
Alarm
828
Ambient
temperature too
low
Increase ambient temperature of
pre-amplifier
S
Warning
1)
829
Ambient
temperature too
high
Reduce ambient temperature of
pre-amplifier
S
Warning
1)
832
Electronic
temperature too
high
Reduce ambient temperature
S
Warning
1)
833
Electronic
temperature too
low
Increase ambient temperature
S
Warning
1)
834
Process
temperature too
high
Reduce process temperature
S
Warning
1)
835
Process
temperature too
low
Increase process temperature
S
Warning
1)
841
Flow velocity too
high
Reduce flow velocity
S
Warning
1)
842
Process limit
Low flow cut off active!
1. Check low flow cut off
configuration
S
Warning
844
Sensor range
exceeded
Reduce flow velocity
S
Warning
1)
870
Measuring
inaccuracy
increased
1. Check process
2. Increase flow volume
S
Warning
1)
871
Near steam
saturation limit
Check process conditions
S
Warning
1)
872
Wet steam
detected
1. Check process
2. Check plant
S
Warning
1)
873
Water detected
Check process (water in piping)
S
Warning
1)
874
X% spec invalid
1. Check pressure, temperature
2. Check flow velocity
3. Check for flow fluctuation
S
Warning
1)
882
Input signal
1. Check input configuration
2. Check external device or
process conditions
F
Alarm
945
Sensor range
exceeded
Check immediately process
conditions (pressure-
temperature rating)
S
Warning
1)
946
Vibration detected
Check installation
S
Warning
947
Vibration exceeded Check installation
S
Alarm
1)
972
Degrees of
superheat limit
exceeded
1. Control process conditions
2. Install pressure transmitter or
enter correct fixed pressure
value
S
Warning
1)
1)
Diagnostic status is changeable.