Maintenance; Physical Inspection; Front Lens Cleaning (Outside Of Sign); Filter Cleaning - Adaptive AlphaXpress 2020 Operation And Maintenance Manual

Maintenance

Physical inspection

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A physical inspection of the sign's exterior and interior should be performed every 6 months.
Exterior inspection
• Check for any physical damage to the exterior of the sign.
• Check for loose nuts, bolts, hinges, doors, and so on.
• Check the exterior electronics for foreign debris and general cleanliness.
• Check the exterior of the sign for general cleanliness.
• Check the LEDs of the sign for general cleanliness and visibility.
Interior inspection
• Check for any physical damage to the interior of the sign.
• Check for loose nuts, bolts, hinges, doors, and so on.
• Check the interior electronics for foreign debris and general cleanliness.
• Check the interior of the sign for general cleanliness.
• Make sure all fans are operational (see "Install a replacement venting fan" on page 5-14 for details on testing fan operation).
• Make sure the sign's drain holes are not plugged.

Front lens cleaning (outside of sign)

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Required materials
• Mild, nonabrasive liquid detergent (liquid glass cleaner).
• Do not use solvents. Use of solvents will damage the lens UV stabilizer.
• Soft cloth or soft paper towels.
Cleaning procedure
1. Mix the detergent with water in a large bucket. The solution may be put in a spray bottle for spot cleaning.
2. Wipe the face of the display using the mild soap solution and a non-abrasive cloth.

Filter cleaning

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Required materials
• Mild, nonabrasive liquid detergent.
Note: Do not use solvents. Use of solvents will damage the filter media.
Cleaning procedure
1. Remove filter from ventilation housing and gently knock it against a hard surface to remove loose dust and dirt particles. For removal
instructions, see "Filter replacement" on page 5-15.
2. Wash thoroughly with soapy water and rinse with clean water.
3. Shake water from filter and allow to dry.
4. Replace filter in the ventilation housing.
A X 2020 RGB F
LPHA PRESS RONT
A F -M D S
CCESS ULL ATRIX ISPLAYS
Maintenance
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IGN PERATION AND AINTENANCE
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ANUAL REV
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