Hettich 4701 - ‎7.6.8 Audible signal‎; ‎7.6.8.1 General‎; ‎7.6.8.2 Enabling or disabling an audible signal‎

47 / 62
Rev.: 05 / 11.2023
AB4701en_SA
Software operation
Procedure if the PIN is lost
8. Press the [STOP/OPEN] button once to exit the ‘Settings menu’
or
Press the [STOP/OPEN] button twice to exit the ‘Machine Menu’ .
What is known as a Help number can be retrieved if the PIN is lost. The
manufacturer can use this number to calculate a PIN that replaces the
previously valid PIN.
1. Hold down the [PROG] button for 8 seconds.
‘***Machine Menu***’ is displayed after 8 seconds.
2. Press the [PROG] button until ‘-> Change PIN’ is displayed.
3. Press the [START] button.
🡆 ‘old PIN = ---- <START>’ is displayed.
4. Press the [PROG] button.
🡆 ‘Get HELP # no’ is displayed.
The previous PIN becomes invalid after retrieving the Help number.
5. Use [Rotary knob] to set ‘yes’ .
6. Press the [START] button.
🡆 ‘Are you sure ? no’ is displayed.
7. Use [Rotary knob] to set ‘yes’ .
8. Press the [START] button.
🡆 ‘HELP # = 5487’ is displayed.
Note down this Help number and use it to request the required
PIN. Setting a new PIN using the PIN received
7.6.8 Audible signal
7.6.8.1
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.
7.6.8.2
Enabling or disabling an audible signal
The rotor is stationary.
1. Press and hold the [PROG] button.
🡆 ‘***Machine Menu***’ is displayed after 8 seconds.
2. Press the [PROG] button repeatedly until ‘-> Settings’ is displayed.
3. Press the [START] button.
🡆 ‘SOUND / BELL = on’ or ‘SOUND / BELL = off’ is displayed.
‘SOUND / BELL’ : Signal after completion of the centrifugation run
4. Use [Rotary knob] to set ‘off’ or ‘on’ .
off = audible signal disabled
on = audible signal enabled