12
NETYS PL
- Ref.: IOMNETPLXX01-GB 02
8. SOLUTIONS TO MINOR PROBLEMS
Optimal operation of the unit is obtained by keeping it constantly powered (24 hours a day). This guarantees correct maintenance
of the battery charge.
WARNING!
The UPS internally generates hazardous electrical voltages.
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 manu-
facturer's serial number which can be found on the compliance and inspection certificate or on the data plate on the bottom of the UPS.
8.1. TROUBLESHOOTING FOR MINOR PROBLEMS
Problem
Possible cause
Solution
The UPS works in battery mode
even if mains power is available
Poor connection to the input mains
Check the cable connection going to the
UPS and the mains outlet
The mains voltage is out of range
No solution because mode of operation
is correct
Input protection triggered
(blown fuse or automatic switch)
Replace the input fuse with another of the
same type or reset the automatic switch
Backup time shorter than expected
Batteries not fully charged
Leave the batteries to charge for 8 hours
consecutively
Batteries not working properly
Have the batteries replaced by author-
ised personnel
The UPS stalls/goes into overload
Overload on the load line
Check that the load applied is not greater
than the maximum permitted or reduce
the load power requirement
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.