Abus FU2938 Compact Alerting Manuel d'utilisateur télécharger pdf (Page 20)

Troubleshooting

LED display

Meaning

Solution

LEDs flash

alternately once a

second

Normal operating

mode

LED 1 flashes once a

second

Tamper, one or both

tamper contacts

open

Check the installation

LED 2 flashes once a

second

No operating

voltage connected

Check the wiring and the

functioning of the operating

voltage supply

The red LED 3 on

the main board does

not light.

1) Battery defective

2) No battery

connected

1) Check the battery voltage

and the battery connection

The red LED 4 on

the main board does

not light.

1) Battery not

charged

2) Battery charged.

1) Check the operating

voltage (13.5V)

2) Check the battery

voltage.

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Abus FU2938 Compact Alerting Manuel d'utilisateur Page 20