Heat Controller DMC36CA-1 TroubleshootingCH03, Check Point, Troubleshooting Guide, Wired R/C

Troubleshooting Guide

TroubleshootingCH03

Display	Title		Cause of error			Check point & Normal condition
code
	Communication	•	Open / Short			• Connection of wire
03						• Main PCB Volt. DC12V
	Wired R/C	•	Wrong connection
						• Noise interference
		Wired R/C			Indoor Unit
	12V		S GND	12V	S GND

12Vdc

V

Check the Volt.

12Vdc

V

Check the Volt.

Check Point

1.Check the wire connection. (Open / Short) → Repair the connection

2.Check the soldering state of connector. (Soldered poorly) → Repair or Change the PCB.

3.Check the volt. Of main PCB power source. (DC 12V, DC 5V) → Repair or Change the main PCB.

4.Check the installation of wired remote controller. (Noise interference) → Adjust the state of installation

Service Manual 39