Eaton 9170+ UPS (3–18 kVA) User's Guide S 164201393 Rev E www.eaton.com/powerquality 93
Chapter 10 Maintenance

Routine Maintenance

NOTE Observe important safety precautions while performing these checks.
NOTE Eaton recommends that you schedule preventive maintenance checks at least every
six months.
The Eaton 9170+ system is designed to provide years of trouble-free
operation. Its internal control system checks the batteries and inverter
periodically to ensure reliable operation.
The Eaton 9170+ UPS and optional external battery cabinets do require
some attention to assure continued reliable service. Follow Eaton's
recommended maintenance schedule, which includes:
SCheck operating environment for clean, cool, dry conditions.
SInspect and clean the cabinet.
SCheck operation of fans (power modules).
SCheck and tighten all connections.
SView and record the alarm and inverter logs.
SCheck the batteries.
SCheck the displayed UPS readings against actual measurements and
recalibrate if necessary.
SPerform a system test.
SCheck and record the values of the parameters in the System Status
Menu (menu 1) online and on battery.
SCheck the MOV surge suppression pack.
For more information on preventive maintenance checks, contact your
service representative.