6. SOLUTIONS TO MINOR PROBLEMS
Optimal unit operation is obtained by keeping it constantly powered (24 hours a day). This guarantees correct mainte-
nance of the battery charge.
WARNING!
The UPS generates hazardous electrical voltages internally.
All maintenance must only be performed by authorised personnel.
If there is difficulty in getting the UPS to work, the reason may be among those listed below. For any other problems,
you are advised to contact your dealer or service organisation directly.
For quick, effective action it is important to give precise details of the fault when you call, in addition to the model
number and manufacturer's serial number, which can be found on the compliance and inspection certificate or on
the data plate on the bottom of the UPS.
6.1 TROUBLESHOOTING MINOR PROBLEMS
Problem
The UPS works in battery mode
even if mains power is available
Backup time shorter than expected
The UPS stalls/goes into overload
If the equipment is to be left unused for a long period, wait for the batteries to charge fully before
switching off. While the UPS is not being used ensure the batteries are recharged for 24 hours at
least once every 4 weeks.
10
EN
Possible cause
Poor connection to the input mains
The mains voltage is out of range
Input protection triggered
(blown fuse or automatic switch)
Batteries not fully charged
Batteries not working properly
Overload on the load line
Solution
Check the cable connection going to
the UPS and the mains outlet
No solution because mode of opera-
tion is correct
Replace the input fuse with another of
the same type or reset the automatic
switch
Leave the batteries to charge for 8
consecutive hours
Have the batteries replaced by
authorised personnel
Check that the load applied is not
greater than the maximum permitted
or reduce the load power requirement
NETYS PE 600 - 2000 VA - Ref.: IOMNETPEXX09-EN 00
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