54
Inv Under Voltage
Alarm code:33
UPS internal fault Consult dealer.
Inv Softstart Fail
Alarm code:34
UPS internal fault Consult dealer.
Negative Power Fault
Alarm code:E1
The load is pure
inductive and
capacitive
Remove some non-critical loads.
Bypass supplies the load first, ensure
there is no overload, then turn on UPS.
Cable male and female
Loss fault
Alarm code:E2
The parallel cable
is disconnected
Check the parallel cable.
Backfeeder
Alarm code:93
UPS internal fault
Don’t touch any terminal of the
equipments which connect one utility
power with the UPS even you cut off the
utility power. Please Consult dealer.
7.3 Trouble Shooting In Else Cases
Problem
Possible cause
Remedy
No indication, no
warning tone even
though system is
connected to mains
power supply
No input voltage
Check the building wiring and input
cable.
Check if the input breaker is closed.
BYPASS LED light up
even though the power
supply is available
Inverter not switched
on
Press On-Switch “I” to turn on UPS.
BATTERY LED lights up,
and audible alarm
sounding every 1 beep
in every 4 seconds
Input voltage and/or
frequency are out of
tolerance
Check input power source.
Check the building wiring and input
cable.
Check if the input breaker is closed.
55
Emergency supply
period shorter than
nominal value
Batteries not fully
charged / batteries
defect
Charge the batteries for at least 12
hours and then check capacity.
Please have the following information at hand before calling the
After-Sales Service Department:
1.
Model number, serial number
2.
Date on which the problem occurred
3.
LCD/LED display information, Buzzer alarm status
4.
Utility power condition, load type and capacity, environment
temperature, ventilation condition
5.
The information (battery capacity, quantity) of external battery
pack if the UPS is “S” model
6.
Other information for complete description of the problem
