VII.
Troubleshooting
7.1 Troubleshoot by LED behavior or LCD display
If fault occurs, users can check the fault information on the LCD or by the number of blinks
of the LED indicator light. Each fault is indicated with a sequence of different numbers of
LCD blinking. A pause of 3 seconds between each sequence indicates the beginning or end
of a sequence. If multiple faults happen at the same time, each sequence of blinking shows
in chronological order at an interval of 3 seconds.
Please see the table below for detail information
No.
Fault code on LCD (if available)
Fault description
1
100
The red emergency stop button is pressed
or broken
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
1000
Over voltage on phase L3
Under voltage on phase L3
Over voltage on phase L2
Under voltage on phase L2
Over voltage on phase L1
Under voltage on phase L1
Under voltage on all 3 phases
Over current
Over temperature
DC leakage current detected
RS485 communication fault
Lightning protection fault
Type A switch fault
Relay adhesion fault
Reserved
Reserved
Reserved
Other faults
23
24
7.2 Firmware update fails
7.2.1 Firmware update failure with SD card:
a. Check if the capacity is over 4G bytes,please use a SD card of less than 4G to retry;
b. Check if the SD card is formatted with FAT32;
c. Check if the firmware file is renamed as App.bin;
d. Check if you have filled in “state=1” in the UploadConfig.txt file.
7.2.2 Firmware update failure with laptop:
Please try with IE browser. Or reboot the laptop to retry.
7.3 WiFi connection&APP issue
a. Check WiFi signal strength;
Signal strength on PC:
Signal strength on mobile: