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SITRANS F C MASSFLO
26
SFIDK.PS.028.Q1.02
Symptom
Output
Error
Cause
Remedy
signals
code
Empty display
Minimum
1. Supply voltage
1. Check supply voltage
2. MASS 6000 defective
2. Replace MASS 6000
No flow signal
Minimum
1. Current output deselected
1. Activate current output
2. Digital output deselected
2. Activate digital output
3. Reverse flow direction
3. Change direction
W31
Measuring pipe empty
Ensure that the measuring
pipe is full
F60
Internal error
Replace MASS 6000
Undefined
P42
1. No load on current output
1. Check cables/connections
2. MASS 6000 defective
2. Replace MASS 6000
P41
Initializing error
Switch off MASS 6000,
wait 5 s and switch on again
Indicates flow
Undefined
Measuring pipe empty
Select empty pipe limit
with no flow
Ensure that the measuring
in pipe
pipe is full of liquid
Unstable
Unstable
1. Pulsating flow
1. Increase time constant
flow signal
2. Air bubbles in medium
2. Ensure medium does not
contain air bubbles
3. Vibrations
3. Ensure that the sensor is
mounted on a rigid frame
without vibrations
4. Pump noise
4. Ensure that pump frequency
is different from resonance
frequency of sensor
Measuring error
Undefined
Faulty zero-point
Make new zero-point
adjustment
P40
No SENSORPROM
unit
Install SENSORPROM
unit
F61
Deficient SENSORPROM
Replace SENSORPROM
unit
unit
F62
Wrong SENSORPROM
Replace SENSORPROM
unit
unit
F63
Defective SENSORPROM
Replace SENSORPROM
unit
unit
F80-83
Loss of internal data
Replace MASS 6000
Maximum
W30
Flow exceeds 120% of Q
max.
Check Q
max.
(Basic Settings)
W21
Pulse overflow
•
Mass/pulse too small
Change mass/pulse
•
Pulse width too large
Change pulse width
Loss of totalizer
OK
W20
Initializing error
Reset totalizer manually
data
6. Service
6.2 Trouble shooting
MASS 6000
Replacement MASS 6000 or SENSORPROM
unit
Disconnect the equipment from the supply curciuts and wait 30 minuts for discharging the
energy in the internal electronic as before opening.