Factory reset
Operating Manual PNOZ m C0
1006013-EN-02
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9 Factory reset
A factory reset of the device is always sensible or indeed necessary when the device is re-
moved from the existing plant/machine, possibly to re-use it in another application.
During a factory reset, all the data stored in the device is reset:
} Project data is deleted from the internal memory.
} If a chip card is inserted, it is deleted and formatted.
} Error stack is deleted
} Program change log is deleted
} Configured user data (user name, passwords, permissions) is deleted and is reset to the
default values.
You can initiate a factory reset both in the PNOZmulti Configurator (see online help for the
PNOZmulti Configurator) and also directly on the device.
Initiate factory reset directly on the device
CAUTION!
Before performing the factory reset, please note:
Remove terminal block X2 (o0 … o3) from the device and ensure that the
actuator cannot be activated via the short across the contacts that will be
created.
Procedure:
} Switch off the supply voltage to the base unit.
} Create a short across the contacts at o3 to the 24 V of the supply voltage.
} Switch on the supply voltage.
} Remove the short across the contacts from o3 as soon as the short has been detected by
the base unit and the OFault and Diag LEDs flash.
The short across the contacts must be removed no later than 3s after the short is detec-
ted.
} When the o0 terminal LED lights, create a short across the contacts at o0 to 24 V and
then remove it as soon as the o0 LED goes out.
} When the o3 terminal LED lights, create a short across the contacts at o3 to 24 V and
then remove it as soon as the o3 LED goes out.
The base unit performs a factory reset, which is completed successfully when the Diag LED
flashes rapidly.
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