Trouble Shooting - 3M Clean-Trace NG Benutzerhandbuch

9.0 TROUbLE SHOOTING

9.01 General
this section is to help overcome any problems that might be encountered when using the 3M clean-trace nG Luminometer. For further detailed
advice contact 3M or local 3M distributor.
Problem Probable Cause
Low Battery Message Battery pack requires charging.
a. entry of external light.
b. sample still in chamber.
c. chamber has been left open for
High Backgrounds
long periods between readings.
d. chamber contaminated.
e. Instrument malfunction.
a. Battery fully discharged.
no Display b. Battery contacts contaminated.
c. Instrument malfunction.
a. High Background
High reagent control b. contamination of reagents or
consumables.
results lower than a. sample / reagent problem.
expected b. Instrument malfunction.
Note: sunlight or static can cause swab tubes to phosphoresce and give high readings. typically an immediate repeat reading will be 50% of the first
one if this is the cause. on further repeat readings the results will become lower and lower approaching the normal. Avoid exposure of swab tubes to,
or performing the test in bright sunlight.
9.02 battery Error Screens
Press OK to return to Main Menu and turn instrument OFF. Do not proceed to conduct measurements if a LOW bATTERY warning is displayed.
charge Battery or operate from Ac power.
Remedy
escape to the Main Menu and turn instrument oFF. Do not proceed to conduct
measurements if a LoW BAtterY warning is displayed. charge Battery or operate
from Ac power.
a. Measurement chamber not closed securely. check chamber is closed.
b. remove sample.
c. recheck with chamber closed.
d. turn instrument off. Leave for 2 hours, then recheck. Do not attempt to clean
inside.
e. contact 3M or your local distributor.
a. recharge battery.
b. remove battery and clean contacts gently with dry tissue. Do not clean with
abrasive materials.
c. contact 3M or your local distributor.
a. see High Backgrounds.
b. repeat control to determine if contamination of individual test.
If problem persists contact 3M or your local distributor.
a. check correct sample and reagent preparation as in test kit instructions. check
with new reagents and known positive sample such as a 3M Positive control
test.
b. contact 3M or your local distributor.
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