71
L20, L30
No. Problem
Possible reason
Solution
no charge voltage
and current
damaged, or battery is
reversely connected.
Connect the battery cables
correctly.
Battery number and
capacity are not set
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:
Close the battery switch:
Change the fuse:
Battery fuse is not open:
Recharge the battery:
Or Battery low:
Battery quantity is set
wrong.
Power ON the UPS with AC to
set the battery quantity
&quantity.
Power breaker in the rear
panel does not switch ON.
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-IB00
Page 2: ......
Page 17: ...9 L20 L30 3 4 Cabinet view Figure 1 Front view Side view of L20 and L30...
Page 36: ...27 L20 L30 4 3 4 1 Main Click the main block to enter the main data display window...
Page 38: ...29 L20 L30 4 3 4 4 Battery Click the battery block to enter the battery data display window...
Page 39: ...30 L20 L30 4 3 4 5 Status info Click the Status info to enter the Status info display window...
Page 40: ...31 L20 L30...
Page 58: ...49 L20 L30 4 3 8 Maintenance Touch correction and battery self test...
Page 60: ...51 L20 L30 4 3 8 4 Cycle mode Modify the check date time and check time 10S default 10min EOD...
Page 64: ...55 L20 L30...
Page 81: ......