Error Code; Appendix - Tower Hobbies KD58C Manual

Error Code 30 - Communication Error - Unplugged Wiring
Definition: Physical connection error between the LCD screen and the Controller.
Possible Causes
● The only cause of this error is an unplugged cord somewhere running from the LCD
screen to the controller.
What to Check (Before Calling Tech Support)
Follow the cable running from the LCD screen and ensure it is plugged in underneath the black
wiring frame. Ensure plugs underneath the controller, and by the foot pedals are plugged in
firmly.
Technical Appendix
Figure 1 - Connection Layout
Display-side Connector
Figure 2 - Line Sequence Table
Line Sequence
1
2
3
4
5
Display-side Adapter
Color
Red (VCC)
Blue (K)
Black (GND)
Green (RX)
Yellow (TX)
Switch Wiring
Function
+
Lock
-
RX
TX
9