Troubleshooting/Faqs; Troubleshooting Guide - Siemens SITRANS MAG 6000 I Operating Instructions Manual

Troubleshooting/FAQs

10.1

Troubleshooting guide

Symptom Output sig‐
nals
Empty display Minimum
No flow signal Minimum
Undefined
Indicates flow with no Undefined
flow in pipe
Unstable flow signal Unstable
SITRANS MAG 6000 I/6000 I Ex de
Operating Instructions, 08/2018, A5E02083319-AH
Error code Cause
1. No power supply
2. MAG 5000/6000/6000 I de‐
fective
1. Current output disabled
2. Digital output disabled
3. Reverse flow direction
F70 Incorrect or no coil current
W31 Measuring pipe empty
F60 Internal error
P42 1. No load on current output
2. MAG 5000/6000/6000 I de‐
fective
P41 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 be‐
tween medium and sensor
4. Air bubbles in medium
5. High concentration of parti‐
cles or fibres
Remedy
Power supply
Check MAG 5000/6000/6000 I for ben‐
ded pins on the connector
Replace MAG 5000/6000/6000 I
Turn on current output
Turn on digital output
Change direction
Check cables/connections
Ensure that the measuring pipe is full
Replace MAG 5000/6000/6000 I
Check cables/connections
Replace MAG 5000/6000/6000 I
Switch off MAG 5000/6000/6000 I,
wait 5 sec. and switch on again
Select empty pipe cut-off
Ensure that the measuring pipe is full
Ensure that electrode cable is connec‐
ted and sufficiently screened
Increase time constant
Use special electrode cable
Ensure sufficient potential equalization
Ensure medium does not contain air
bubbles
Increase time constant
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