Trouble-Shooting; Trouble-Shooting Instructions - Endress+Hauser Fieldbus Levelflex M FMP41C Operating Instructions Manual

Levelflex M FMP41C with FOUNDATION Fieldbus
Endress + Hauser
9

Trouble-shooting

9.1

Trouble-shooting 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
The display is possibly defective.
Output current between
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
Trouble-shooting
Yes
Instrument works? Ready
No
Yes
Instrument works? Ready
No
Yes
Instrument works? Ready
No
Ready
Yes
Display works? Ready
No
Yes
Ready
Communication ok?
No
Contact Endress+Hauser Service
Yes
Measurement ok?
Ready
No
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