Siemens SITRANS F MAG 6000 EX DE, Руководство по эксплуатации, Страница: 61 / 107

MAG 6000 I / MAG 6000 I Ex de transmitter
Operating Instructions, 04/2016, A5E02083319-AG
59
Troubleshooting/FAQs
10
10.1 Troubleshooting guide
Symptom Output
signals Error
code Cause Remedy
Empty display Minimum 1. No power supply Power supply
Check MAG 5000/6000/6000 I for
bended pins on the connector
2. MAG 5000/6000/6000 I
defective
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
defective
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 miss-
ing/electrode cable is insuffi-
ciently screened
Ensure that electrode cable is con-
nected 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 equalizati-
on
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
F63 Defective SENSORPROM
®
unit Replace SENSORPROM
®
unit
F71 Loss of internal data Replace MAG 5000/6000/6000 I