Key-Disp KD21C User Manual page 22

Line sequence
1
2
3
4
5
■
Some wire use the water-proof connector, users can not see the
inside color.
Error Code
21
22
23
24
25
30
Line sequence table
Attached list 1：Error code definition
Color
Red(VCC)
Blue(K)
Black(GND)
Green(RX)
Yellow(TX)
Definition
Current Abnormality
Throttle Abnormality
Motor Abnormality
Motor Hall Signal Abnormality
Brake Abnormality
Communication Abnormality
19
Function
+
Lock
-
RX
TX