Powerware 9170 - Maintenance Procedures for UPS; Routine Maintenance Checks

91
Powerware
®
9170
+
UPS User’s Guide S Rev B www.powerware.com
Chapter 10 Maintenance
Routine Maintenance
NOTE Technicians must observe important safety precautions while
performing these checks.
NOTE Powerware recommends that you schedule preventive
maintenance checks at least every six months.
The Powerware 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. In fact, you’ll probably find that
your Powerwar e 9170
+
system requires less maintenance than any of
your other computer peripherals.
Nevertheless, the Powerware 9170
+
UPS and optional external battery
cabinets do require some attention to assure continued reliable service.
The service technician should follow Powerware’s recommended
maintenance schedule, which includes the following items:
쑺 Check operating environment f or clean, cool, dry conditions.
쑺 Inspect and clean the unit.
쑺 Check operation of fans (power modules).
쑺 Check and tighten all connections.
쑺 View and record the alarm and inverter logs.
쑺 Check the batteries.
쑺 Check the displayed UPS readings against actual measurements and
recalibrate if necessary.
쑺 Perform a system test.
쑺 Check and record the values of the parameters in the System Status
Menu (menu 1) online and on battery.
쑺 Check the MOV surge suppression pack.