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ABB YPQ201A YT204001-KA/5 with factory sealed box

Pressing the button once more, the display shows "PSW?". Please enter the correct password to proceed with the test. The message "TRI?" will follow. Confirm this message by pressing the push button again. All output relays should then be activated and the self supervision alarm relay (watchdog) be deactivated one after another with a time interval of 3 second and all LEDs with a delay of 0.5 seconds, with the self-supervision relay dropping. Thereafter, re-set all output relays back to their normal positions by pressing the push button

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