UDD-SD-116/
Release Date: 31.12.2014/Rev No: 1/Rev.
Date
: 27.04.2015
41
UPS fail to start when operate
“On” key
Pressing time too short
Please press the power key more than 2
seconds to start the UPS.
The input connection is
not ready or
UPS internal battery
disconnect
Please connect the input well, if the
battery voltage is too low, please
disconnect the input and start the UPS
with no-load.
UPS internal system
fault
Please contact the supplier.
Back up time become short
Battery undercharge
Please keep the UPS battery recharging
more than 3 hours
UPS overload
Please check the load level and disconnect
the noncritical devices,
Battery maturing,
capacity descend
Please change new battery, contact your
supplier to get the new battery and spare
parts.
UPS doesn’t have any power go
through even main power on
UPS input breaker
disconnects
Please reset the circuit breaker by
manual.
Input fuse broken or
input method is
inconsistent with the
IPP setting
Please check the fuse and IPP setting, and
contact the supplier.
Attention:
When the output is short-circuited, the action of the protection of the UPS will show up. Before
turning off the UPS, please make sure to disconnect the entire load and cut off the AC mains
power supply, otherwise will make the AC input short-circuit.
Appendix 1: EMC Level
The series product is designed to meet the below standard.
EMS
IEC61000-4-2(ESD)
Level 4
IEC61000-4-3(RS)
Level 3
IEC61000-4-4(EFT)
Level 4
IEC61000-4-5(Surge)
Level 4
EMI
GB9254-1998/IEC 62040-2
Class B
