Cleaning The Instrument - Macherey-Nagel PF-12Plus Manual

10. Cleaning the instrument

Clean the housing of the instrument with a damp cloth. Wipe away splashes as soon as
possible. Clean and dry the cuvette slot with a soft cotton tissue. Generally, tubes and pho-
tometer always need to be kept clean. Clean the tubes with a lint-free cloth.
11. Troubleshooting
Error message
$'RYHUÁRZ
Display stays dark
Instrument is turned on
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The correction of problems, which can occur with the PF-12
above mentioned errors in the table, changing the battery or the rechargeable battery and
the calibration of the device.
The user must not conduct any other maintenance; there are no other parts, which can be
changed at the point of interest. Opening the device will cause loss of the warranty claim.
12. Inspection equipment monitoring
The photometric accuracy of the PF-12
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ate evaluation sheet is attached to the inspection equipment or can be downloaded on our
homepage www.mn-net.com.
50
Cause
Too much light at detector
Deviation between air-blank
and expected value,
dE > ± 10 °C or
dE > ± 10 mE
No power supply
Instrument crashed
Plus
09.12.2014
Plus
can be tested with the colored NANOCONTROL
Solution
‡ 3OHDVH FRQWDFW
0$&+(5(<1$*(/ IRU
calibration
‡ 5HPRYH WXEH
‡ 3UHVV if no tube is in the
cuvette slot
‡ &KHFN LI EDWWHULHV  UH-
chargeable batteries are
inserted or USB-cable is
plugged in
‡ 7XUQ LQVWUXPHQW RII ZDLW
10 s, turn instrument on
photometer are limited to the