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PNOZ e3.1p

Operating Manual PNOZ e3.1p

21240-EN-09

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Faults – Interference

INFORMATION

Supply interruptions lasting longer than 20 ms are detected as an error. The

LEDs indicate an error and the safety outputs carry a low signal. The plant

or machinery driven via the safety outputs will be shut down. The unit can

only be restarted when the supply voltage is switched off for at least 1 s and

then switched on again.

Fault

Fault conditions are indicated by flashing the LEDs. There are faults that are displayed via

periodic flashing (see table "Display of fault conditions") and faults where an error code can

be determined via the number of flashes (see table "Relationship between the number of

flashes and the decimal error code"). These faults are always indicated by three short

flashes at LED CH.1 or CH.2. After a longer pause, the LED will then flash at one second

intervals. The number of LED flashes corresponds to a digit in the error code. The error

code can consist of up to 4 digits. The digits are separated by a longer period without flash-

ing. The entire sequence is constantly repeated.

INFORMATION

Error code 0: 16 flashes

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