AEG Electrolux 700 D Operations Instructions download pdf (Page 28)

7 Maintenance

The PROTECT A. consists of state-of-the-art, non-wearing

components. We do, however, recommend regular visual

checks of the unit to maintain its continuous availability and

operational reliability. Check whether:

♦ there is any mechanical damage or foreign bodies can

be found in the system,

♦ any conductive dirt or dust has accumulated in the unit,

♦ accumulation of dust affects heat supply and

dissipation.

CAUTION:

The PROTECT A. must be disconnected from

the power supply prior to carrying out the

following work.

If large quantities of dust have accumulated, the unit should,

as a precaution, be cleaned with dry compressed air, in order

to ensure adequate heat dissipation.

The intervals at which visual checks should be performed are

primarily determined by the site conditions.

Checking the battery

Progressive ageing of the battery system can be detected by

regular capacity checks. Every 12 months, perform

measurements to compare the achievable standby times, e.g.

by simulating a mains failure. In this case, the load should

always have approximately the same capacity demand. Have

the battery system renewed if the time drops drastically

compared to the previous measurement.

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AEG Electrolux 700 D Operations Instructions Page 28