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7. Fault finding and repair
During production all units go through a number of quality
control stages. n order to assist you in fault finding we have
listed a number of possible faults, causes and solutions.
Process display system fault messages
Faults that could occur during the self test or during operation
are immediately indicated on the red LED or on the display.
Acknowledgeable fault messages are deleted either using the
PC software or by operating a push button and are accessed in
the operating menu under the function group “Operating
parameters” in the operating address “Actual fault”
Green
Red
LED
LED
ff
ff
No measured
value display
ff
ff
No measured
value display
n
ff
No measured
value display
n
ff
The 7 segment
display shows a
measured value
n
ff
Display shows:
“
AVE?
n
ff
Display flashes:
“
AVE
n
n
Display shows:
“
E 101
LC display
No power supply
connected
Unit defective
Power supply
available unit
defective
Fault free normal
operation
perating
”
parameters were
changed using front
end operation. The
unit requests
acknowledgement
for storage.
The unit is saving
”
the changed
operating
parameters.
The hardware for
”
saving the operating
parameters is
defective.
AERR
.
Cause
Error
code
E 000
E 101
Process transmitter
Remedy
Please check the
power supply to the
unit
Please exchange the
unit
Please exchange the
unit
Using the “+” / “-” push
button select accept or
reject and
acknowledge using the
“E” push button.
nce save has been
completed the unit will
return to displaying the
measured value.
Please exchange the
unit.
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