Hettich ROTINA 420 R Mode D'emploi page 115

Procedure if the PIN is lost
AB4701en
[Rotary knob] to set the valid PIN.
4. Use the
If you are setting the PIN for the first time, skip this step or set
Input help: Press and hold down the relevant button.
[Ramp-up and ramp-down
parameters] button
[RCF] button
[RPM] button
[START] button.
5. Press the
'new PIN = ---- <START>' is displayed.
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If an incorrect PIN was set,
again. In this case, set the valid PIN with the
[START] button.
press the
[Rotary knob] to set the new PIN.
6. Use the
'0000' must be set in order to disable the PIN.
7. Press the [START] button.
�� The setting is stored.
'Store PIN ...' is displayed briefly.
'-> Change PIN' is then displayed.
8. Press the [STOP/OPEN] button once to exit the 'Settings menu'
or
[STOP/OPEN] button twice to exit the '***Machine Menu***' .
Press the
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.
[PROG] button for 8 seconds.
1. Hold down the
'***Machine Menu***' is displayed after 8 seconds.
2. Press the [PROG] button until '-> Change PIN' is displayed.
[START] button.
3. Press the
'old PIN = ---- <START>' is displayed.
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[PROG] button.
4. Press the
'Get HELP # no' is displayed.
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The previous PIN becomes invalid after retrieving the Help number.
[Rotary knob] to set 'yes' .
5. Use
[START] button.
6. Press the
'Are you sure ? no' is displayed.
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[Drehknopf] to set 'yes' .
7. Use
[START] button.
8. Press the
'HELP # = 5487' is displayed.
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Note down this Help number and use it to request the required
PIN. Setting a new PIN using the PIN received
Rev.: 19 / 02.2025
Software operation
only the thousands digit of the
PIN is changed.
only the hundreds digit of the
PIN is changed.
only the tens digit of the PIN is
changed.
'old PIN = ---- <START>' is displayed
[Rotary knob] and
'0000' .
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