What does the error code displayed on the screen of the Mijia Air Conditioner Pro Eco 2.6 kW mean?
The Mijia Air Conditioner Pro Eco 2.6 kW error codes explanations are listed below:
1. The error code F1.1 represents indoor ambient temperature sensor failure;
2. The error code F1.2 represents outdoor ambient temperature sensor failure;
3. The error code F2.1 represents indoor coil temperature sensor failure;
4. The error code F2.2 represents outdoor coil temperature sensor failure;
5. The error code F2.3 represents indoor pipe temperature sensing pack failure;
6. The error code F2.4 represents outdoor pipe temperature sensing pack failure;
7. The error code F3.1 represents outdoor exhaust temperature sensor failure;
8. The error code F3.2 represents exhaust temperature sensing pack failure protection;
9. The error code E1 represents outdoor EEPROM failure;
10. The error code E3 represents communication failure between the indoor unit board and the display board;
11. The error code E6.1 represents indoor and outdoor communication: Data cannot be received indoors;
12. The error code E6.2 represents indoor and outdoor communication: Data cannot be received outdoors;
13. The error code E8.1 represents communication failure between the outdoor unit compressor chip and the fan chip;
14. The error code E8.2 represents communication failure between indoor unit board and fan chip;
15. The error code FF represents the indoor unit cannot receive the Internet module (SOC, Wi-Fi) communication failure;
16. The error code E0 represents indoor PG/DC fan failure.
17. The error code E2 (E2.1/E2.2/E2.3/E2.4/E2.5/E2.6/E2.7) represents outdoor DC fan failure;
18. The error code U0.0 represents Inverter DC over voltage fault;
19. The error code U0.1 represents Inverter DC low voltage fault;
20. The error code U0.2 represents Inverter DC voltage mutation fault;
21. The error code U0.3 represents AC input low voltage (effective value) detection fault;
22. The error code U1.1 represents Inverter module fault/inverter module hardware overcurrent fault;
23. The error code U1.2 represents outdoor current sensor failure;
24. The error code U1.3 represents compressor phase current circuit detection fault;
25. The error code U2.1 represents overcurrent protection;
26. The error code U2.2 represents overcurrent protection;
27. The error code U2.3 represents overcurrent protection;
28. The error code U3 represents drive initialization fault;
29. The error code U4.1 represents step loss detection/Compressor step loss protection;
30. The error code U4.2 represents step loss detection/Compressor step loss protection;
31. The error code U4.3 represents step loss detection/Compressor step loss protection;
32. The error code U4.4 represents step loss detection/Compressor step loss protection;
33. The error code U5 represents compressor phase loss/Reverse phase protection;
34. The error code U6.1 represents module temperature protection;
35. The error code U6.2 represents module temperature sensor circuit fault;
36. The error code U8.1 represents PFC hardware overcurrent;
37. The error code U8.2 represents PFC software overcurrent;
38. The error code U8.3 represents PFC RMS overcurrent protection;
39. The error code C1 represents module current (compressor phase current) protection limit/frequency reduction;
40. The error code C2 represents external AC current protection limit/frequency reduction;
41. The error code C3 represents compressor module temperature limit frequency reduction;
42. The error code C4 represents whole machine current peak limit frequency reduction;
43. The error code C5 represents drive protection limit/frequency reduction;
44. The error code P1 represents outdoor unit exhaust temperature over-high protection;
45. The error code P2 represents limit/Reduction frequency (display 17);
46. The error code P2.1 represents exhaust protection limit/reduction frequency;
47. The error code P2.2 represents anti-freezing protection limit/reduction frequency;
48. The error code P2.3 represents anti-condensation protection limit/reduction frequency;
49. The error code P2.4 represents power over-high limit/reduction frequency;
50. The error code P2.5 represents overload protection limit/reduction frequency;
51. The error code P5 represents over-cooling protection in cooling mode;
52. The error code P8 represents outdoor unit high/low temperature protection;
53. The error code PA represents refrigerant shortage protection/abnormal refrigerant circulation protection.
1. The error code F1.1 represents indoor ambient temperature sensor failure;
2. The error code F1.2 represents outdoor ambient temperature sensor failure;
3. The error code F2.1 represents indoor coil temperature sensor failure;
4. The error code F2.2 represents outdoor coil temperature sensor failure;
5. The error code F2.3 represents indoor pipe temperature sensing pack failure;
6. The error code F2.4 represents outdoor pipe temperature sensing pack failure;
7. The error code F3.1 represents outdoor exhaust temperature sensor failure;
8. The error code F3.2 represents exhaust temperature sensing pack failure protection;
9. The error code E1 represents outdoor EEPROM failure;
10. The error code E3 represents communication failure between the indoor unit board and the display board;
11. The error code E6.1 represents indoor and outdoor communication: Data cannot be received indoors;
12. The error code E6.2 represents indoor and outdoor communication: Data cannot be received outdoors;
13. The error code E8.1 represents communication failure between the outdoor unit compressor chip and the fan chip;
14. The error code E8.2 represents communication failure between indoor unit board and fan chip;
15. The error code FF represents the indoor unit cannot receive the Internet module (SOC, Wi-Fi) communication failure;
16. The error code E0 represents indoor PG/DC fan failure.
17. The error code E2 (E2.1/E2.2/E2.3/E2.4/E2.5/E2.6/E2.7) represents outdoor DC fan failure;
18. The error code U0.0 represents Inverter DC over voltage fault;
19. The error code U0.1 represents Inverter DC low voltage fault;
20. The error code U0.2 represents Inverter DC voltage mutation fault;
21. The error code U0.3 represents AC input low voltage (effective value) detection fault;
22. The error code U1.1 represents Inverter module fault/inverter module hardware overcurrent fault;
23. The error code U1.2 represents outdoor current sensor failure;
24. The error code U1.3 represents compressor phase current circuit detection fault;
25. The error code U2.1 represents overcurrent protection;
26. The error code U2.2 represents overcurrent protection;
27. The error code U2.3 represents overcurrent protection;
28. The error code U3 represents drive initialization fault;
29. The error code U4.1 represents step loss detection/Compressor step loss protection;
30. The error code U4.2 represents step loss detection/Compressor step loss protection;
31. The error code U4.3 represents step loss detection/Compressor step loss protection;
32. The error code U4.4 represents step loss detection/Compressor step loss protection;
33. The error code U5 represents compressor phase loss/Reverse phase protection;
34. The error code U6.1 represents module temperature protection;
35. The error code U6.2 represents module temperature sensor circuit fault;
36. The error code U8.1 represents PFC hardware overcurrent;
37. The error code U8.2 represents PFC software overcurrent;
38. The error code U8.3 represents PFC RMS overcurrent protection;
39. The error code C1 represents module current (compressor phase current) protection limit/frequency reduction;
40. The error code C2 represents external AC current protection limit/frequency reduction;
41. The error code C3 represents compressor module temperature limit frequency reduction;
42. The error code C4 represents whole machine current peak limit frequency reduction;
43. The error code C5 represents drive protection limit/frequency reduction;
44. The error code P1 represents outdoor unit exhaust temperature over-high protection;
45. The error code P2 represents limit/Reduction frequency (display 17);
46. The error code P2.1 represents exhaust protection limit/reduction frequency;
47. The error code P2.2 represents anti-freezing protection limit/reduction frequency;
48. The error code P2.3 represents anti-condensation protection limit/reduction frequency;
49. The error code P2.4 represents power over-high limit/reduction frequency;
50. The error code P2.5 represents overload protection limit/reduction frequency;
51. The error code P5 represents over-cooling protection in cooling mode;
52. The error code P8 represents outdoor unit high/low temperature protection;
53. The error code PA represents refrigerant shortage protection/abnormal refrigerant circulation protection.
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