21
11. Trouble Shooting
When there is no information displayed in the LCD, please check if PV module connection is
correctly connected.
11-1. Warning Situation
There are 4 situations defined as warnings. When a warning situation occurs,
icon will
flash and the fault code area will display “WR” wordings.
No PV module is connected
flash failure
Inverter initial failure
Fan failure (Only for 5KW)
11-2. Fault Reference Codes
When a fault occurs, the icon
will flash as a reminder. See below for fault codes for
reference.
Note: When the fault occurs, it will be recorded in the flash, Max 9 faults can be saved. You
can use Solar Power to read the fault data log. The detail information please refer to Solar
Power Manual 4.3.3.
Situation
Solution
Fault
Code
Fault Event
Icon
(flashing)
1
Over voltage on Bus
1.
Disconnect AC circuit breaker
first. Then, disconnect DC
circuit breaker.
2.
Until LCD screen completely
shuts down, turn on DC
breaker first. It will show “No
Utility” in LCD screen. Then,
turn on AC breaker. After 60
seconds, the system will
automatically connect to the
grid.
3.
If the error message still
remains, please contact your
installer.
2
Under voltage on Bus
3
Time out for Bus soft start
4
Time out for Inverter soft
start
5
Inverter over current
7
Relay or inverter voltage
detector fault
8
Output current sensor
failure
10
Power failure
11
DC input over current
14
Inverter DC current over
16
GFCI sensor failure
6
Over temperature
1.
The internal temperature is
higher than specified
temperature.
2.
Leave inverter to be cooled
to room temperature.
3.
If the error message still
remains, please contact your
installer.