Ballu Error Codes
Every Ballu error code we have catalogued, with what it means on site — 29 codes in total. In R-Pro, tap any code to get the meaning, likely causes and inspection steps, even with no signal in the plant room.
29 codes
| Code | What it means |
|---|---|
| E1 | Internal temp sensor malfunction/short |
| E2 | External temp sensor malfunction/short |
| E3 | Condenser temp sensor malfunction/short |
| E4 | Evaporator temp sensor malfunction/short |
| E5 | System protection / outdoor fault |
| E6 | Outdoor protection tripped / indoor fan fault |
| E8 | Electrostatic filter error |
| P4 | Evaporator sensor / compressor disabled |
| P5 | Capacitor sensor malfunction / temp fluctuation |
| P6 | Heat exchanger frozen / defrosting |
| 01(실내) | Indoor: room temp sensor fault |
| 02(실내) | Indoor: HX temp sensor fault |
| 03(실내) | Indoor: HX frozen/icing |
| 04(실내) | Indoor: HX temp exceeds limit |
| 05(실내) | Indoor: communication interrupted |
| 08(실내) | Indoor: fan motor defective |
| 01(실외) | Outdoor: ambient sensor fault |
| 02(실외) | Outdoor: HX temp sensor fault |
| 03(실외) | Outdoor: compressor overheat/overload |
| 04(실외) | Outdoor: capillary A sensor fault |
| 05(실외) | Outdoor: capillary B sensor fault |
| 06(실외) | Outdoor: overcurrent protection |
| 07(실외) | Outdoor: no load / compressor disconnected |
| 08(실외) | Outdoor: abnormal voltage |
| 09(실외) | Outdoor: instant power interruption |
| 10(실외) | Outdoor: overloading during cooling |
| 11(실외) | Outdoor: defrost in process |
| 12(실외) | Outdoor: IPM module defective |
| 13(실외) | Outdoor: EEPROM corrupted |
Official Ballu source / manual ↗
Look up any error code — offline — in R-Pro.
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