Troubleshooting/Faqs - Siemens SITRANS F M MAG 5000 Operating Instructions Manual

Troubleshooting/FAQs

Symptom
Empty display
No flow signal
Indicates flow with no
flow in pipe
Unstable flow signal
Measuring error
SITRANS F M MAG 5000/6000
Operating Instructions, 12/2013, A5E02338368-002
Output Error
signals code
Minimum
Minimum
F70
W31
F60
Undefined P42
P41
Undefined
Unstable
Undefined
P40
P44
F61
F62
Cause
1. No power supply
2. MAG 5000/6000 defective
1. Current output disabled
2. Digital output disabled
3. Reverse flow direction
Incorrect or no coil current
Measuring pipe empty
Internal error
1. No load on current output
2. MAG 5000/6000 defective
Initializing error
Measuring pipe empty
Empty pipe cut-off is OFF
Electrode connection
missing/electrode cable is
insufficiently screened
1. Pulsating flow
2. Conductivity of medium too
low
3. Electrical noise potential
between medium and sensor
4. Air bubbles in medium
5. High concentration of
particles or fibres
Incorrect installation
No SENSORPROM unit
®
CT SENSORPROM unit
®
Defective SENSORPROM
unit
Wrong type of
SENSORPROM unit
®
Remedy
Power supply
Check MAG 5000/6000 for bended
pins on the connector
Replace MAG 5000/6000
Turn on current output
Turn on digital output
Change direction
Check cables/connections
Ensure that the measuring pipe is full
Replace MAG 5000/6000
Check cables/connections
Replace MAG 5000/6000
Switch off MAG 5000/6000, wait 5
sec. and switch on again
Select empty pipe cut-off
Ensure that the measuring pipe is full
Ensure that electrode cable is
connected and sufficiently screened
Increase time constant
Use special electrode cable
Ensure sufficient potential
equalization
Ensure medium does not contain air
bubbles
Increase time constant
Check installation
Install SENSORPROM
Replace SENSORPROM
reset SENSORPROM
CT transmitter
Replace SENSORPROM
®
Replace SENSORPROM
10
unit
®
unit or
®
unit with MAG
®
unit
®
unit
®
61