Siemens SITRANS F M MAG 5000, Руководство пользователя, Страница: 64 / 107

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
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