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