11
The AC switch is located inside the PCS and only used to start/stop the PCS.
SUNGROW shall hold no liability for damage caused by inappropriate
operations.
L
LE
ED
D iin
nd
diic
ca
atto
orrss
There are three LEDs at the front panel of the PCS: POWER indicates the power is on;
OPERATION indicates the operation of the PCS; FAULT indicates a fault condition.
Obtain the PCS operation state through these LEDs and control the PCS by the Web.
See the following table for the description of the LED indicators.
L
LE
ED
D
C
Co
ollo
orr
D
De
essc
crriip
pttiio
on
n
POWER
Green
Control circuit power supply The indicator turns on 5
minutes after the DC side is supplied with power; or it
immediately turns on when AC side or both AC and DC
sides are supplied with power.
OPERA-
TION
Green
PCS operates normally
Yellow
PCS operates alarm
White
PCS is in stop/standby state
FAULT
Red
A fault occurs and has not been removed.
The LED will be off automatically when the fault is cleared.
Possible LED combinations and the meaning are listed in the following table:
L
LE
ED
D
sstta
attu
uss
D
De
essc
crriip
pttiio
on
n
“POWER” LED is on
PCS normal power supply, no charging or
discharging
“POWER” is on
“OPERATION” is on
AC and DC side parameters meet the
requirements. PCS operates normally
“POWER” is on
“OPERATION” is
yellow
PCS operates alarm
“POWER” is on
“FAULT” is on
A fault occurs and not removed yet.
All LEDs are off
PCS is disconnected from the power supply,
no power supply
Operation Manual
