Siemens SITRANS F M MAG 5000 - 10 Troubleshooting;Faqs

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