Siemens POS8.4420/414 Manual page 16

Commissioning
5
Programming pin and service LED
5.1.3 Reset to factory setting
16 | 29
Siemens Industry, Inc.
Building Technologies
- If the test is positive, the LED is lit continuously.
- If the test fails, the LED flashes (1 s on, 1 s off).
2. Briefly press the programming pin (<0.5 s) to stop displaying the result of the
connection test. The service LED goes off.
Press the programming pin (>20 s). The device is locked and reboots within 8
seconds. The room automation station removes it from its device list. During this
time, the device can safely be removed from the network.
NOTICE! The LED is off during this procedure.
If the bus plug remains connected, the device acts like a newly inserted device
requiring automated or manual configuration.
NOTICE
This operation resets all user-defined data and configuration settings to factory
default.
This operation is irreversible.
A6V10958126_en--_a
2017-06-30