SolarEdge L20-IB00 - Page 80

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