21
The Inspector is a highly reliable instrument. If it does not seem to be working properly, look through the
following chart to see if you can idenfy the problem.
Chapter 10: Troubleshoong
Problem Possible Cause Acon
Display works, but no counts
are registered
defecve Geiger tube or bad cable look through the window to check the
mica surface of the tube; if it is wrin-
kled or a break is visible, replace it
Reading is high, but another
instrument has a normal read-
ing in the same locaon
possible contaminaon scan the Inspector with another
instrument. You may need to replace
the rubber strips on back of the
Inspector
Instrument has false high
reading
moisture circuit board may be wet; dry the in-
strument in a warm dry place; if it sll
has a problem, it requires service
Instrument has false high
reading or OVERRANGE
photosensivity remove from direct sunlight and ultra-
violet sources; if the high count drops,
the mica window coang may have
washed o the Geiger tube due to
geng wet; the tube will need to be
replaced
connuous discharge replace the Geiger tube
electromagnec eld move the instrument away from possi-
ble sources of electromagnec or radio
frequency radiaon
Display is blank no baery, dead baery, poor
baery connecon defecve
LCD
install a new 9-volt baery (if count
light and audio work, the LCD may need
to be replaced)
There is wrong or no me and
date stamp on my collected
data.
Internal Clock has reset. The
instrument has been powered o
Reset the clock to the current me
using the Observer Soware or the
Ulity Menu.
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