Aerial AB 500 Series Manuale di istruzioni - Pagina 9

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* Empirical values / standard values which can be depending on application

different.

9. Service & Maintenance

ATTENTION

When performing any repair or maintenance, the general safety rules and

provisions must be adhered to!

In order to guarantee a perfect operation of the sound box, the appliance should be

cleaned at regular intervals. It is recommended to proceed as follows:

Visual inspection of the sound box.

Check and clean filter at suction connector

Switch on the unit at the On-/Off-switch.

Check the case for local overheating.

Check function of the fan (chilling fan, at AB 500 and AB 1000) (draught on the

ventilation opening must be perceptible). The fan may be cleaned after every

effort carefully with compressed air.

Let sound box run without back pressure and pay attention to unusual operating

noises. If subjects should be in the side channel blower (stones etc.), the side

channel blower must be dismantle and must be repaired by an authorized

specialized firm or the AERIAL GmbH.

Switch off the unit and pull the plug from the socket.

Dismantle the top cover

Blow out device interior cautiously with compressed air. Wear protective goggles!

Check all cable connections

Mount top cover

Clean sound box outside with moist cloth. (do not use aggressive detergents)

This cleaning is without fail regularly required!

During construction site effort, after every effort or once a week!

No other maintenance work is required for the sound box.

10.Trouble shooting

Assign that sound box a putative defect on, please, first check the following points.

If this should provide no relief, please contact your technical consultant.

1.The high pressure blower does not run or has been switched off automatically:

- Has the sound box been switched on? ON-/Off-switch in Pos. 1 / On

- Is the unit supplied with voltage? Check the main cable, an additional cable, the

socket and the main fuse.

- Thermical safety switch or over-current safety switch has switched the machine

off. Let the device cool down and check the installation, to avoid overheating. (Pt.

6.3)

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