Error
code
Buzzer
Error reason
E01
Ring every 3 seconds for one minute
system
voltage error
E02
Over-temperature turn-off charging
E03
The buzzer rings once a second,
and the sun icon blinks.
Solar panel overvoltage off charging
E04
Battery overvoltage turn off load
E05
Battery overvoltage turn off charging
E06
rings once every 3 seconds, and the empty
battery icon flashes.
E07
E08
RS
485
Communication
A1
A2
A3
A4
A5
A6
A7
A8-A9
A10
A11
A12
A13
A14
battery type
charge current
PV1 voltage
PV2 voltage
PV power
total charge capacity AH
Daily charging capacityWH
Total capacity WH
PV status
battery status
Controller temperature
Load status
charge status
set
load
work
mode
1
set
battery
type
2
set
battery
voltage
3
set
night
detection voltage
4
set
communication address
5
Restore factory settings
6
The charging capacity is clear
7
Charging on and off
8
Get battery charging parameters
9
Modify battery charging parameters
1 0
Error code
When the following error occurs in the controller, the E01-E08 error code is displayed, and the buzzer alarms synchronously,
and the alarm continues until the error is corrected. Press K4 to exit the wrong generation interface, return to the main interface
and turn off the buzzer. Start timing. If the error persists after 10s, the alarm will continue.
Ring every 0.5 seconds for one minute
rings once in 0.5 seconds,
and the full battery icon flashes
rings once in 0.5 seconds,
and the full battery icon flashes
Battery low voltage shut-off load
- -
- -
- -
- -
Through the standard RS485 communication protocol, the controller
can send the operating parameters of the controller to the the terminal
equipment, the terminal equipment can also send instructions to modify
the working parameters of a part of the controller.
Communication protocol continuous sales staff
Parameters that can be read by terminal equipment
The parameters that can be modified by the terminal
device are as follows
charge
status
(
green
)
load status(red)
OFF
：
Load
off
Charge status
（
green
）
ON
：
Charging
OFF
：
no
charging
fasht
flash
：
Charging at constant voltage
slow flash
：
Floating charging
Load status LED
（
Red
）
ON
：
Load on
LED
status
1 2 3 4 5 6 7 8
RJ
45
Pin definition
PIN
1
2
3
4
5
6
7
8
12V
RXD
TXD
GND
B
GND
A
NC
Definition
