53
L20, L30
No. Problem
Possible reason
Solution
no charge voltage
and current
damaged, or battery is
reversely connected.
Battery number and
capacity are not set
correctly.
Connect the battery cables
correctly.
Go to LCD setting of the battery
number and capacity, set the
correct data.
6
Buzzer beeps every
0.5 seconds and LCD
display “output
overload”
Overload
Remove some load
7
Buzzer long beeps,
LCD display “29” fault
code
The UPS output is in short
circuit
Make sure the load is not in
short circuit, and then restart
the UPS.
8
The UPS only works
on bypass mode
The UPS is set to ECO
mode
Set the UPS working mode to
Normal mode
9
Cannot Black start
Battery switch is not
properly closed:
Battery fuse is not open:
Or Battery low:
Battery quantity is set
wrong.
Power breaker in the rear
panel does not switch ON.
Close the battery switch:
Change the fuse:
Recharge the battery:
Power ON the UPS with AC to
set the battery quantity
&quantity.
Switch on the power breaker.
10
Buzzer beeps
continuously and
LCD indicates
1,3,5,9,15, etc. fault
codes
UPS is out of order
Consult with your local agent
for repair
Summary of Contents for L20-IB60, L20-IB00
Page 2: ......
Page 17: ...9 L20 L30 Figure 5 Install covers...
Page 27: ...19 L20 L30 5 5 Cabinet view Figure 15 Front view Side view of L20 and L30...
Page 31: ...23 L20 L30 5 7 Electrical Diagrams Figure 19 Remote EPO NO and NC port...
Page 32: ...24 L20 L30 Figure 20 External maintenance bypass auxiliary contacts...
