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The external cleaning should be done every two years, particularly at the active area of the matrix and in
front of the photo-sensor. The cleaning products should be non-abrasive to prevent any damage to the
anti-reflective layer of the front and any liquid penetration into the container should be avoided.
While for the internal cleaning of the VMS (recommended once a year), it is best to use low pressure
compressed air jets and avoid liquid cleaners. Extra attention has to be paid at the areas of accumulation.
It is also recommended to check the condition of all electrical and electronic components during the
periodic cleaning process.
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The internal and external metallic structure of the housing of VMS should be checked periodically every
year for any evidence of deterioration, especially at the welded joints. The conditions of stability of the
various metallic structures and their state of preservation for the purposes of maintaining the efficiency
should always be ascertained.
The periodical inspection should have the following objectives:
• Highlight the evidence of degradation;
• follow the evolution of maintenance needs over time;
• provide data that can contribute to the elaboration of projects or adjustments in the future.
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The preventive maintenance is considered completed only after filling in a specific report that has to be
kept with the technical documentation of the VMS. (See para 5.4)
Note: if you need to replace a component, please refer to the chapter 7 DIAGNOSTIC ".
Aesys S.p.A. Via Pastrengo 7c - 24068 Seriate - BG - Italy • T. +39 035 29240 • F. +39 035 680030 • www.aesys.com -
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Display Series Minerva Monochromatic
User and Maintenance Manual [ENG] - rel.00 (26/03/2018)
: Via Artigiani 41 - 24060 Brusaporto - BG – Italy
Registered office
Pag.36 di 45
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