10
Trouble-shooting
Error message Situation Solution
No probe cover is attached. Attach new, clean probe cover.
(flashing)
(POS = position error)
The infrared monitor cannot find
a temperature equilibrium and
allows no measurement.
Clear the display by pushing the
«Start» button once.
Ensure that the positioning of the
probe is correct and remains
stable.
Ambient temperature is not within
the allowed operating range
50–104 °F (10–40 °C) or
changing too rapidly.
Allow the thermometer to remain
for 30 minutes in a room where the
temperature is between 50 and
104 °F / 10 and 40 °C.
Temperature taken is not within
typical human temperature range
(93.2–108 °F (34–42.2 °C).
HI = too high
LO = too low
Make sure the probe tip and lens
are clean and a new, clean probe
cover is attached. Make sure the
thermometer is properly inserted
into the ear canal.
Then, take a new temperature.
System error
If error persists,
If error still persists,
Wait 1 minute until the thermo-
meter turns off automatically,
then turn on again.
... reset the thermometer by re-
moving the batteries and putting
them back in.
... contact Welch Allyn at
1-800-535-6663
(in Canada at 1-800-561-8797).
6021221_PRO4000_S4-46 Seite 10 Dienstag, 21. März 2006 10:24 10
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