EF200F-C
Diagnostics and troubleshooting
131
Diagnostic
number
Short text
Remedy instructions
Status
signal
[from the
factory]
Diagnostic
behavior
[from the
factory]
495
Diagnostic event
simulation
Deactivate simulation
C
Warning
538
Flow computer
configuration incorrect
Check input value (pressure,
temperature)
S
Warning
539
Flow computer
configuration incorrect
1. Check input value (pressure,
temperature)
2. Check allowed values of the
medium properties
S
Alarm
540
Flow computer
configuration incorrect
Check entered reference value
using the document Operating
Instructions
S
Warning
570
Inverted delta heat
Check configuration of mounting
location (parameter Installation
direction)
F
Alarm
Diagnostic of process
801
Supply voltage too low Increase supply voltage
F
Alarm
1)
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)