Maintenance; Forgotten The Security Code - SMC Networks PF3A703H-L Operation Manual

Maintenance

How to reset the product after a power loss or when the power has been unexpectedly removed
The settings for the product are retained in memory prior to the power loss or de-energizing of the product.
The output condition is also recoverable to that prior to the power loss or de-energizing. However, this may
change depending on the operating environment. Therefore, check the safety of the whole installation before
operating the product.
If the installation is using accurate control, wait until the product has warmed up (approximately 10 to 15
minutes) before operation.

Forgotten the Security Code

Use the procedure below when the security code has been forgotten.
<Operation>
Press the S button for 5 seconds or longer in measurement mode. When [oPE] is displayed on the main
display, release the button.
The current setting [LoC] or [UnLoC] will be displayed on the sub display.
Press the ▲ or ▼ buttons simultaneously for 5 seconds or longer.
Press the S and ▼ buttons simultaneously for 5 seconds or longer.
: Display is not changed.
(If an other operation is performed or no operation is performed for 30 seconds, the display will return to
measurement mode.)
Press the ▲ and S buttons simultaneously for 5 seconds or longer.
[000] is displayed and the security code change mode is available.
(If an operation is not performed for 30 seconds, the display will return to measurement mode.)
For the input method, refer to [F81] Security code (checking of the setting of security code) (page 57).
When input is completed, the selected security code flashes.
After checking the security code is as required, press the S button for 1 second or longer.
Return to measurement mode.
At this time, if the ▲ or ▼ button are pressed, any security code changes are lost, and the change of
security code must be repeated.
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No.PF※※-OMX0002