Troubleshooting
| Name of running status | Yellow light | Red light | Green light | Indoor unit display |
|
|
|
|
|
|
1 | Compressor start | Blink once |
|
|
|
|
|
|
|
|
|
2 | Defrosting | Blink twice |
|
| H1 |
|
|
|
|
|
|
3 | Blink three times |
|
| E2 | |
|
|
|
|
|
|
4 | IPM protection | Blink four times |
|
| H5 |
|
|
|
|
|
|
5 | Overcurrent protection | Blink five times |
|
| E5 |
|
|
|
|
|
|
6 | Overload protection | Blink six times |
|
| H4 |
|
|
|
|
|
|
7 | Air exhaust protection | Blink seven times |
|
| E4 |
|
|
|
|
|
|
8 | Overload protection | Blink eight times |
|
| H3 |
|
|
|
|
|
|
9 | Limited frequency (current) |
| Blink once |
|
|
|
|
|
|
|
|
10 | Limited frequency (Air exhaust) |
| Blink twice |
|
|
|
|
|
|
|
|
11 | Limited frequency (overload) |
| Blink three times |
|
|
|
|
|
|
|
|
12 | Limited frequency |
| Blink four times |
|
|
|
|
|
|
|
|
13 | Outdoor unit ambient sensor malfunction |
| Blink five times |
| F3 |
|
|
|
|
|
|
14 | Outdoor unit tube temp. sensor malfunction |
| Blink six times |
| F4 |
|
|
|
|
|
|
15 | Outdoor air exhaust sensor malfunction |
| Blink seven times |
| F5 |
|
|
|
|
|
|
|
|
|
|
|
|
16 | Achieve the temperature of unitstartsup |
| Blink eight times |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
17 | Communication is normal |
|
| Blink continuously |
|
|
|
|
|
|
|
18 | Communication malfunction |
|
| OFF | E6 |
|
|
|
|
|
|
19 | Overload sensor malfunction |
| Blink nine times |
| H3 |
|
|
|
|
|
|
20 | Low voltage protection | Blink twelve times |
|
| PL |
|
|
|
|
|
|
21 | High voltage protection | Blink thirteen times |
|
| PH |
|
|
|
|
|
|
22 | Indoor ambient sensor malfunction |
|
|
| F1 |
|
|
|
|
|
|
23 | Indoor tube temperature sensormalfunction |
|
|
| F2 |
|
|
|
|
|
|
24 | Normal cooling or norminal heating |
|
|
| P1 |
|
|
|
|
|
|
25 | Max. cooling or max. heating |
|
|
| P2 |
|
|
|
|
|
|
26 | Interim cooling or interim heating |
|
|
| P3 |
|
|
|
|
|
|
27 | Min. cooling or Min. heating |
|
|
| P0 |
|
|
|
|
|
|
YELLOW-LED4
GREEN-LED2
RED-LED3
50
