7 Maintenance
This section gives instructions on all maintenance work to be performed in order to keep the instru-
ment in good working condition. In addition to this, adjustment jobs the operator can carry out by
himself/herself are explained.
!
CAUTION
Risk of dangerous device status or defects and malfunctions when serviced by untrained personnel
• Service and maintenance actions which require to open the device housing must be
performed by trained personnel only
• Switch off the device and disconnect the mains cable before any service, maintenance or
cleaning
• Do not touch live parts
• Close the housing before reconnecting the device to mains
7.1 Cleaning
To avoid cross-contamination and germ dissemination (e.g. by bacteria) the operator is advised to
attend common laboratory biosafety measures in accordance the chosen application and environ-
ment. The “Laboratory Biosafety Manual” of the World Health Organization can be used as a practical
guidance.
!
WARNING
Risk of cross-contamination and germ dissemination at use
• Exchange filter regularly
• Keep the housing and the working area clean
• Keep all surfaces in contact with sample material clean and free of germs
• Use disinfectant to avoid germ dissemination
• Do not reuse sample material
7.2 Housing
Clean the housing with a soft, lint free damp cloth with mild soapy water. For hygienic reasons, use
surface disinfectant wipes in combination with similar disinfectant spray on alcohol basis. If the sample
window on top of the instrument is dirty, clean it with an antimicrobial wipe (e.g. Melisptol® wipes).
NOTICE
Risk of damage at the housing
• Do not use any objects for cleaning which might scratch the optical surfaces or add-ons
• Do not clean coated optical surfaces in a washer.
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