Table 9-1. Troubleshooting Guide (Cont’d)
If this occurs Perform these steps
The chart recorder is operating off
batteries. Switch over to ac power if you
wish to light up the paper.
Bulbs are blown. Replace them with new
bulbs.
Bulbs don’t light.
?
Make sure pen caps are removed (and
secured on the cap posts as
recommended).
Check that the pens are locked firmly in
position in their holders.
Make sure the pens are fresh. Remove a
pen and test it on a piece of
chart p
aper.
Insert new pens if necessary.
The pens do not appear to
be leaving traces on the
paper.
?
Troubleshooting the Recorder
9
9-2
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