Siemens SITRANS MAG 6000 I - Troubleshooting and FAQs; Troubleshooting Guide for Common Issues

Troubleshooting/FAQs
10
10.1 Troubleshooting guide
Symptom Output sig‐
nals
Error code Cause Remedy
Empty display Minimum 1. No power supply Power supply
Check
MAG 5000/6000/6000 I for ben‐
ded pins on the connector
2. MAG 5000/6000/6000 I de‐
fective
Replace MAG 5000/6000/6000 I
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 5000/6000/6000 I
Undefined P42 1. No load on current output Check cables/connections
2. MAG 5000/6000/6000 I de‐
fective
Replace MAG 5000/6000/6000 I
P41 Initializing error Switch off MAG 5000/6000/6000 I,
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 connec‐
ted 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 be‐
tween medium and sensor
Ensure sufficient potential equalization
4. Air bubbles in medium Ensure medium does not contain air
bubbles
5. High concentration of parti‐
cles or fibres
Increase time constant
SITRANS MAG 6000 I/6000 I Ex de
Operating Instructions, 08/2018, A5E02083319-AH
61