P-164000341
8-10 kVA, 50/60 Hz (1-phase input) &
8-15 kVA, 50/60 Hz (3-phase input)
57
Revision 1
User's Guide
9 Maintenance
All operations inside the unit must be performed only by a service engineer from the manufacturer or
from an agent, authorised by the manufacturer.
The troubleshooting procedure gives simple remedial if a malfunction occurs in the UPS. The operator
should start the trouble shooting if there is an active alarm indicated on the LCD screen. Service
should be contacted if the active alarm is abnormal and displayed as a service code.
Call service if you are not able to solve the problem.
LDC display
Description
Action
Overload
The connected load needs more
power than the UPS is rated to pro-
vide. The inverter or static bypass is
supplying the excessive load level.
Shut down the least important load
that is connected to the UPS. The
UPS should switch back to normal
operation once the load level is ac-
ceptable.
Battery test failed
Your batteries are detected to be
faulty.
Batteries should be replaced and
you need to contact the local office
or representative of the UPS manu-
facturer.
Battery low
The UPS is operating in stored en-
ergy mode. It will shut down soon
due to low battery voltage.
Make controlled shutdown of the
protected load immediately to pre-
vent loss of data.
On battery
The UPS is operating in stored en-
ergy mode.
Save your data and perform a con-
trolled shutdown of your server
load.
Overtemperature
High UPS temperature is detected.
Check that fans are operational and
ventilation holes are not blocked.
Make sure the ambient tempera-
ture is not excessive.
Table 9-1: Typical alarms displayed in the LCD screen of the UPS unit
9.1 Regular service/intervals
The UPS requires very little maintenance if installed in an appropriate environment. In order to ensure
maximum availability of the UPS, manufacturer recommends signing a proactive service agreement
with a local authorised service provider.
Maintenance
Interval
Batteries change
~ 3-5 years / service
Batteries test
~ 18 months / service
Содержание 9155 N
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