Hettich UNIVERSAL 320 - Cleaning, Maintenance, and Troubleshooting

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Rev.: 04 / 11.2023
AB1401en_SA
Cleaning and care
7.5.3 Audible signal
7.5.3.1 General
The audible signal sounds:
■ after a problem occurs in the 2s interval.
■
after completion of the centrifugation run and rotor standstill in the 30 s
interval.
Opening the lid or pressing any button stops the audible signal.
7.5.3.2 Setting an audible signal
1. Press and hold the [SELECT] button.
🡆
‘SOUND / BELL ON’ or ‘SOUND / BELL OFF’ is displayed after 8
seconds.
2. Use [Rotary knob] to set ‘OFF’ or ‘ON’ .
OFF = audible signal disabled
ON = audible signal enabled
3. Press the [START/IMPULS] button.
🡆 The setting is stored.
‘*** ok ***’ is displayed briey.
8
Cleaning and care
8.1
Overview table
Chap. Task to execute
if required
daily
weekly
Annually
Page
8 Cleaning and care     35
8.3 Cleaning     36
8.3 Cleaning the device  X   36
8.3 Cleaning the biosafety systems   X  37
8.3 Cleaning the accessories   X  37
8.4 Disinfection     37
8.4 Disinfecting the device X    37
8.4 Disinfecting the accessories X    37
8.5 Maintenance     38
8.5 Greasing the rubber seal of the centrifuging
chamber
  X  38
8.5 Greasing the rubber seal of the biosafety system   X  38
8.5 Trunnion greasing   X  38