61
60
7.2
Cleaning the strip
adapter
The strip adapter should be thoroughly cleaned
(dismantling the strip adapter into its individual
components) at the end of each working day .
The strip adapter must be cleaned imme-
diately if an error message („E07 + E10:
Internal Standard out of range“ - see section 8,
“Troubleshooting”) is displayed .
Clean the strip adapter only with water and a
mild detergent or ethanol (max . 70% - v/v) on a
tissue or cloth after dismantling the strip adapter .
Do not rinse the instrument or parts of it .
7 .2 .1 Procedure
Switch off the reflectometer by pressing the
[Power On/Off]
button .
Carefully pull the strip adapter out of the case .
Remove the upper part of the strip adapter from
the lower part by easily sliding the components
into opposite directions .
Dismantle the adapter into its four components .
Clean the components with water and a mild
detergent . If necessary, use ethanol (max .
70% - v/v) . Never clean the internal standard
(light grey plastic component) with abrasive
cleaner!
Dry the components carefully and reassemble
the adapter .
Reinsert the adapter into the instrument .
8
Troubleshooting
The following tables show explanations of the error messages and tips on how to avoid incorrect
measurements .
The most commonly encountered problems are caused by
• the test strips not being inserted correctly
• the reaction time of the strip not being right
• incorrect use of the tests (e . g . strips not properly stored, pH range not correctly adjusted) .
8.1
User messages on the display
Display message
Possible causes
Remedy
W14: Low Battery!
Replace Battery!
Battery state goes from Medium to Low
or is at Low after Power Up . The Warning
screen is displayed only once until the
device is shutdown if the condition is met
during all states except ongoing measure-
ment
Replace battery
W15: Barcode not readable!
Try again!
Barcode is spontaneously inserted from the
user but could not be read error free
Try again to insert
the barcode strip
W16: Barcode not readable!
Try again!
Barcode is inserted after selecting 'Add
new Method' in the Method List from the
user but the code strip could not be read
error free
Try again to insert
the barcode strip
W17: Wrong Barcode
inserted!
Use a valid Barcode!
Barcode is inserted after selecting 'Add
new Method' in the Method List or barcode
is inserted in state 'Calibration Barcode' or
barcode is inserted in state 'RQcheck' and
read successfully but this barcode is invalid
in the current state
Use a valid bar-
code strip
W18: Barcode not readable!
Try again!
Barcode is inserted after selecting 'Add
new Method' in the Method List, reading
successfully the first barcode and then
trying to read the second barcode but this
barcode strip could not be successful read
Try again to insert
the second barcode
strip
