Troubleshooting - 3M Clean-Trace NGi Luminometer User Manual

10.0 TROUBLE SHOOTING
10.01
10.02 Battery Error Screens
10.03 Communication Error screens
10.04 Self Check Error Screen
10.05 Login and Passwort Error Screens
10.06 Other Error Screens
10.07
10.01 General
This section is to help overcome any problems that might be encountered when using the 3M™ Clean-Trace™
NGi Luminometer. For further detailed advice contact 3M or local 3M distributor.
Problem
Low Battery Message
High Backgrounds
No Display
High reagent control
Results lower than Expected
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.
General
Inadvertent changing of language setting
Probable Cause
Battery pack requires charging.
a) Entry of external light.
(b) Sample still in chamber.
(c) Chamber has been left open for
long periods between readings.
(d) Chamber contaminated.
(e) Instrument malfunction.
(a) Battery fully discharged.
(b) Battery Contacts contaminated.
(c) Instrument malfunction.
(a) High Background
(b) Contamination of reagents or
consumables.
(a) Sample / reagent problem.
(b) Instrument malfunction.
Remedy
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 local 3M distributor.
(a) Recharge battery
(b) Remove battery and clean contacts
gently with dry tissue. DO NOT clean
with abrasive materials.
(c) Contact 3M or local 3M distributor.
(a) See High Backgrounds
(b) Repeat control to determine if
contamination of individual test.
If problem persists contact 3M or
local 3M 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 local 3M distributor.