Proface APL3000B - Node Box PC - Manual (Page 68)

Chapter 4 Maintenance
4-3
4.3 Periodic Check Points
To keep your PS-A unit in its best condition, please inspect the following points periodically.
„PS-A Operation Environment
†Is the operating temperature within the allowable range?
PS-3710A: 0°C to 50°C (without HDD) 5°C to 50°C (with HDD)
†Is the operating humidity within the specified range?
PS-3710A: 10 to 90%RH (Not condensing, wet bulb temperature: 29°C or less.)
†Is the operating atmosphere free of corrosive gasses?
When using the PS-A unit inside a panel, the ambient environment refers to the interior of the panel.
„Electrical Specifications
†Is the input voltage appropriate?
PS-3710A: AC85 to 265V, 50/60Hz
„Related Items
†Are all power cords and cables connected properly? Have any become loose?
†Are all mounting brackets holding the unit securely?
†Are there many scratches or traces of dirt on the installation gasket?