Code |
Possible Cause |
Solution |
* 1 |
Indoor unit thermistor sensor error |
Indoor unit thermistor sensor
PCB of the Indoor unit |
* 5 |
Indoor unit pipe thermistor sensor error |
Indoor unit pipe thermistor sensor
PCB of the indoor unit |
* 6 |
Outdoor unit thermistor sensor error |
Outdoor unit thermistor sensor
PCB of the outdoor unit |
* 9 |
Float switch error |
Drain pump, Float switch
Drain system
DIP switch (SW2) of the indoor unit (The No.2 and No.4 switches must be at “ON” position.) |
* A |
A Indoor and Outdoor communication error |
Communication cables of indoor and outdoor units
PCB of indoor and outdoor units |
*C |
Wired remote controller communication error |
Wired remote controller cables, Wired remote controller
Main/Sub PCB of the indoor unit |
* D |
Outdoor pipe thermistor sensor error |
Outdoor pipe thermistor sensor
PCB of the outdoor unit |