© NEC Corporation 2019 73
9
MAINTENANCE
9.1
Routine Maintenance
Caution!
Risk of electric shock.
Always disconnect the FE Series LED Wall from the power outlet before
performing any maintenance work.
Regular use
After you put the LED Wall into use, use it 25–30 h and 5-times a month so the LED Wall stays
dry and delivers a stable performance.
Daily
Check the LED Wall visually for physical damages.
9.2
Regular Cleaning
Caution!
Risk of product damage by moisture or water.
Do not clean the system with water. Do not wipe the LED Pixel cards with a
damp cloth.
Notice
Clean the components of the LED Wall very carefully to avoid damaging the surfaces. Do not
alter the cleaning procedure, otherwise pixels or Pixel cards can be permanently damaged.
Under normal conditions the recommended cleaning interval of the LED display is every six
months.
Before cleaning:
Disconnect the LED Wall from mains power.
Lock electric power supply against re-closure.
If the cabinets are still warm from their latest usage, wait with cleaning until they are
completely cooled down.
Cleaning:
Use a dry, anti-static brush to sweep from right to left, means only horizontally.
Blow-dry only the front of the cabinets with compressed air and only from a large distance.