16. Troubleshooting
49 www.sinetech.co.za
End of battery discharge.
Low voltage from excessive discharging.
Battery voltage was below 42V. Battery is
charging now but has not yet reached 50V.
Warning
Icon
(flashing)
Description
Overload
Overload
Over temperature alarm
Over temperature
No electrical ground
Ground loss
16-2. Fault Reference Codes
When a fault occurs, the icon
will flash as a reminder. See below for fault codes for
reference.
Situation
Solution
Fault
Code
Fault Event
Icon
(flashing)
01
DC bus voltage exceeds the
upper threshold
1.
2.
3.
Disconnect AC circuit
breaker first. Then,
disconnect DC circuit
breaker.
Until LCD screen
completely shuts down,
turn on DC breaker first. It
will show “No Utility” on
LCD screen. Turn on AC
breaker. After 300
seconds, the system will
automatically connect to
the grid.
If the error message still
remains, please contact
your installer.
02
DC bus voltage below lower
threshold
03
DC bus voltage soft-start
time-out
04
Inverter soft-start time-out
05
An Inverter overcurrent
event is detected
07
A relay failure is detected
08
DC component of the output
current exceeds the upper
threshold
11
Over-current on PV input is
detected
14
Inverter DC component
exceeds the allowable range
16
Leakage current CT failed
06
Over temperature fault
1. The internal temperature
is higher than specified.