Factory Reset
A factory reset is bringing the device to a known initial state by returning the user parameters accumulated in non-volatile memory to their production values. Its value in fault finding is great: it separates in a single step whether the behaviour stems from a wrong setting or from the hardware.
If a device is behaving unexpectedly, the first question asked is when and by whom the settings were changed. In a system that has been in use for a long time, more than one person may have touched the settings, and which value changed when is most often not recorded.
- What it does: returns user parameters such as speed and ramp to their factory values.
- What it does not do: it does not fix a hardware fault and does not change the embedded software version; calibration values written during production must be preserved.
- Afterwards: following the reset, the device has to be set up again according to the application. That is why it is recommended that the current values be written down before the operation.
In practice this function is usually triggered by a particular key combination, a button held down at power-up, or a command confirmed from within a menu; the triggering method is defined in the product's manual. To prevent it from being triggered by accident, a two-step confirmation is usually required.
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