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Troubleshooting
YELLOW-LED4 GREEN-LED2 RED-LED3
Name of running status Yellow light Red light Green light Indoor unit display
1 Compressor start Blink once
2 Defrosting Blink twice H1
3 Anti-freezing protection 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 (anti-freezing) 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
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