Proface GP4100 - 3.4 Compact HMIs" - Manual (Page 66)

Chapter 5 Maintenance
5-3
5.2 Periodic Check Points
To keep your GP unit in its best condition, please inspect the following points periodically.
„GP Operation Environment
† Is the operating temperature within the allowable range (0ºC to 50ºC)?
† Is the operating humidity within the specified range (10%RH to 90%RH, dry bulb temperature of 39ºC or
less)?
† Is the operating atmosphere free of corrosive gasses?
When using the GP unit inside a panel, the ambient environment refers to the interior of the panel.
„Electrical Specifications
† Is the input voltage appropriate?
DC19.2 to 28.8V
„Related Items
† Are all power cords and cables connected properly? Have any become loose?
† Are all installation fasteners holding the unit securely?
† Are there many scratches or traces of dirt on the installation gasket?