JUMO 706021 LOGOLINE 500d Line Recorder Operating Manual - Manual (Page 119)

119
11 Fault finding
11.1 What to do if...
Display or printing
“>>>>>>”
- 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
Instead of a value, the prin-
ting or the display shows
“****”, “±*.***”, “±**.**”,
“±***.*”, “±****.”
- 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
No recording
- Key
S
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
Fibre pen does not write - The fibre pen has not been fitted correctly
 Section 5.4
- The ink in the fibre pen is used up
No chart feed - 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
Measurements are not
recorded - 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