Fault Finding; What To Do If - JUMO LOGOLINE 500d Operating Manual

Pen recorder with text printing and led dot matrix display
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11.1 What to do if...

Display or printing
">>>>>>"
Instead of a value, the prin-
ting or the display shows
"****", "±*.***", "±**.**",
"±***.*", "±****."
No recording
Fibre pen does not write
No chart feed
Measurements are not
recorded

11 Fault finding

-
The value is outside the measuring range (Out Of Range)
-
The transducer has been connected up incorrectly
-
The signal inputs are configured incorrectly
-
Probe break
-
The value can not longer be represented; alter the scaling with the
setup program so that the value can always be represented.
-
In the case of event counter, reset the event counter using the setup
program
S
-
Key
has been pressed
 Section 6.1
-
"External Stop" has been configured and the corresponding logic in
put is closed
-
The chart cassette has not been fitted correctly
 Section 9.2
Caution: Insert the chart cassette by applying light upwards pressure
-
The take-up roll has not properly engaged with the chart cassette
 Section 9.2.1
-
The end of the chart has been reached
 Section 9.2.1, Section 9.2.2
-
The chart speed has been programmed as 0 mm/h
 Section 8.2.1
-
The writing status is switched off ("OFF")
-
The setup connector is still plugged in
-
The fibre pen has not been fitted correctly
 Section 5.4
-
The ink in the fibre pen is used up
-
The chart cassette has not been fitted correctly
 Section 9.2
-
The chart speed has been programmed as 0 mm/h
-
The pin roller does not engage with the chart perforations
-
The tear-off edge is not correctly engaged
-
The pen recorder is in the STOP status
-
With a newly inserted chart, the start of the chart must be straight and
smooth so that the chart can be taken up automatically
-
Check that the connecting terminals are tightened properly
-
Check the supply
-
Check the input configuration (range)
-
Check the transducers and cables, measure them where appropriate
-
The write status may be switched off
119

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