Pro-face PL-7900 Series, User Manual

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7-8
PL-7900 Series User Manual
Maintenance and inspection
7-4 Periodic Check
Check the PL periodically to ensure it is in good working condition.
Ambient environment check
• Is the ambient temperature within the specified range?
• Is the ambient humidity within the specified range (30 %RH to 85 %RH) ?
• Is the atmosphere free of corrosive gas ?
Electrical specifications check
• Is the voltage adequate (AC85 to 265V, 50/60 Hz) ?
Installation check points
• Is the connection cable firmly connected (not loose) ?
• Are any bolts or screws loose ?
• Are there any flaws or tears in the moisture resistant gasket ?
Display check
• Is the display bright enough ?
When the PL’s backlight needs to be replaced, please contact your local PL
distributor.
Note:
Panel Interior Panel Face
W/ PL Fan
5
o
C to 50
o
C
W/OUT PL Fan
5
o
C to 40
o
C
5
o
C to 40
o
C