Scantronic 808 Instrukcja Instalacji Pobierz pdf (Strona 25)

…always there

STU Status LED Meanings

The status of the 3GSTU is indicated on the LEDs in priority order - highest first.

Where a high priority condition exists, it is indicated on the LED and suppresses

the indication of lower priority conditions.

For example, if a battery low condition is present, battery low is indicated on the

red LED regardless of the state of AC Fail.

Green flutter flash for

Transmitting or receiving alarm data over landline (chirp).

Green fast flash:

Battery power is low. Battery low is indicated on the LED as soon as it is

detected. The battery low alarm is only transmitted after a delay.

Green slow flash:

The STU has been commissioned by the ARC.

Green permanently off:

STU is not powered.

Red permanently off:

Normal

Red fast flash:

The STU has detected an NVM configuration error.

Red flutter flash:

STU has one or more alarms or openings/closings present.

The LED flashes once for each unacknowledged alarm on pins 1 to 8 (1 to 11 for

11zstu) and is then off for a few seconds.

SYSTEM COMMISSIONING

Note 1: The STU should not be commissioned if a data device is busy using the

telephone line.

Note 2: If an MCD is fitted it will disconnect the telephone or data device

connected through it during commissioning.

Apply power to the alarm panel and the STU and observe the status indicators.

The red and green LEDs will slow flash together (on for 2.5 seconds approx. and

off for 2.5 seconds approx.).

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Scantronic 808 Instrukcja Instalacji Strona 25