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 |
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