Troubleshooting; Troubleshooting Instructions - Endress+Hauser Fieldbus Levelflex M FMP43 Operating Instructions Manual

Levelflex M FMP43 with FOUNDATION Fieldbus
Endress+Hauser
9

Troubleshooting

9.1

Troubleshooting instructions

Levelflex M -Trouble Shooting
Instrument does
not respond
Yes
Values on display
invissible
No
Communication
Yes
via Service adapter
does not function
Instrument
Yes
measures
incorrectly
Check voltage and
Not ok
compare it with the Connect the
specifications on the
correct voltage
nameplate.
ok
Check the polarity
Not ok
Correct the polarity
of the voltage.
ok
Check power connection
Not ok
Connect plug
to electronic board
ok
F O ok
+
Contrast:
Not ok
Not ok
Check plug contact Connect the plug
of the display. correctly
ok
Yes
Output current between The display is possibly defective.
3.6 ...22mA ? Contact Endress+Hauser Service
No
Not ok
Check configuration
Correct configuration
of COM port on PC
Not ok
Check basic setup Repeat
basic setup
ok
Proceed according
to section
'Trouble shooting' in OM
Troubleshooting
Yes
Instrument works? Ready
No
Yes
Instrument works? Ready
No
Yes
Instrument works? Ready
No
Ready
Yes
Ready
Display works?
No
Yes
Communication ok? Ready
No
Contact Endress+Hauser Service
Yes
Measurement ok? Ready
No
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