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OPM_SGS_USM_M22_M30_2US_V010.doc User Manual SG Series 225 & 300 UL S2
9 MAINTENANCE
WARNING !
All maintenance and service works must be performed by QUALIFIED SERVICE
PERSONNEL ONLY.
9.1 MAINTENANCE
A UPS system, like other electrical equipment, needs periodic preventive maintenance.
A regular maintenance check of your installation guarantees higher reliability of your safe critical power
supply.
Preventive maintenance work on the UPS can be done only by trained Service technicians.
We therefore recommend you sign a Maintenance and Service contract with GE Global Services @ 1-
800-637-1738
9.1.1 Service check
If the LED Operation blinking during normal operation, the unit has not been serviced for the last 20,000
hours by a GE trained technician.
We highly recommend that you contact your Service Center for preventive maintenance work.
9.1.2 Fans and ventilation
We recommend a periodic cleaning of the ventilation channels and grids on the UPS system, in order to
guarantee proper air circulation in the unit and in the Battery.
We recommend replacement of the fans in the units every 20,000 hours.
9.1.3 Other components with limited lifetime
We recommend the periodic replacement of the following components to guarantee higher reliability of
the UPS.
Lifetime
Component
Ambient temperature
At 100% load
Up to 77°F (25°C) 50,000 hours
Filter Capacitors DC
Up to 104°F (40°C) 20,000 hours
Filter Capacitors AC
Up to 104°F (40°C) 50,000 hours
Lithium Battery on the “P3 – Control board”
Up to 104°F (40°C) 50,000 hours
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