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If you have forgotten your user PIN, you will need a recovery ID. The "Recovery ID" parameter
shows a number that is necessary for restoring the user PIN.
Figure 9-2
Example
9.2.23.1
Display Recovery ID
Requirements
The "User PIN" parameter is enabled.
Procedure
1. Navigate to the parameter view.
Navigating in the views (Page 76)
2. Select the "Recovery ID" parameter.
This Recovery ID is displayed.
Result
Please contact the Technical Support with the displayed recovery ID and the serial number of
your device.
You can find the serial number of the device on the nameplate or via remote operation.
Siemens Technical Support will give you a PUK (PIN Unlock Key) that you use to reset the user
PIN to the factory setting 2457.
9.2.24
PIN recovery [26]
Used to reset the user PIN to the factory setting.
The user PIN is factory set to 2457 in the device.
9.2.24.1
Recovering the user PIN
Requirement
● You have received the PUK from Technical Support. (Page 136)
● The "User PIN (Page 139)" parameter is enabled.
Parameter assignment
9.2 Parameter assignment over device with display
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC
137