Maintenance and care
qTOWER³ / qTOWER³ G
26
Dust or reagent residue in the sample block can cause an increase in the background sig-
nal.
¡
Use compressed air to blow out the recesses in the sample block.
¡
To remove reagent residue, fill the affected wells with max. 20 µL of distilled water
or ethanol. Let the liquid act for approx. 1 min before sucking it out again. Repeat
the process until the background signal is in the normal range.
8.3
Disinfecting the device
WARNING
Biohazard
Clean the device with particular care after analysis of potentially infectious material.
Wear suitable protective equipment, e.g., protective gloves.
NOTICE
The only suitable cleaning method for the housing is wipe disinfection.
If using spray disinfectants there is a risk that the liquid may enter the sensitive elec-
tronic system through the ventilation slots. If the disinfectant has a spray nozzle, apply
disinfectant to a suitable cloth before using it on the device.
¡
Avoid contamination by handling samples carefully.
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Wipe spilled samples or reagents immediately with an absorbent cloth or piece of
paper.
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If the device is used for the analysis of infectious material, great care must be taken,
as the device cannot be decontaminated as one unit.
¡
Remove visible contamination immediately with suitable means. Do not allow sol-
vents to enter the device.
¡
The sample block is also suitable for wipe and spray disinfection. The only suitable
cleaning method for the housing is wipe disinfection.
Device part
Recommended disinfectants
Provider
Housing
Decosept Spezial
Dr. Schuhmacher GmbH
Sample chamber
Decosept AF
Meliseptol HBV (tissues)
Dr. Schuhmacher GmbH
B. Braun
Observe the efficacy spectrum of the listed disinfectants with regard to the customer-
specific decontamination requirements!
¡
Only disinfection agents containing ethanol or isopropanol are approved. The use of
disinfection agents with ingredients or concentrations that differ from the recom-
mended disinfection agents invalidates all warranty claims regarding damage to the
device or non-effectiveness.
¡
If the device must be sent back to Analytik Jena for servicing, first perform decon-
tamination and document this (→ "Return"
33).