107
18.3.3.15 Outdoor compressor lack phase protection(PC43)
Check the compressor three-
phase output for obvious
open circuit
Power off,then restart the unit
2 minutes later.Is it still
displaying the error code
The unit operates
normally
Check both ends of
compressor connecting
line .Are all the connections
good?
Correct the connections
Check whether the three-
phase resistance of the
compressor is symmetrical
Replace the compressor
Yes
Yes
Yes
No
No
No
Replace the main PCB
No
Trobule is solved
Yes
10.3.3.16 Outdoor unit IR chip drive failure(PC45)
Power off,then restart the unit
2 minutes later.
Replace the inverter module
PCB.
Yes
18.3.3.17 The cooling operation or heating operation does not operate.
Potential causes
●
Faulty 4-way valve
Check of 4-way, please refer to part 4 in 10.4 Trouble Criterion Of Main Parts.
18.3.3.18 When cooling, heat exchanger of non-operating indoor unit frosts.
When heating, non-operating indoor unit get warm.
Potential causes
●
Faulty EXV
●
Wire and piping connected in reverse.
Check of EXV, please refer to part 5 in 10.4 Trouble Criterion Of Main Parts.
Содержание 42QHE09D8SH
Страница 1: ...SUPER INVERTER SERIES MULTI TYPE Service Manual ...
Страница 21: ...18 4 5 6 Easy operation 4 5 7 Remote control and optional wired control method ...
Страница 23: ...20 5 2 Four way cassette type super slim Model KBtu h Unit A B C D 24 mm 165 80 204 50 inch 6 5 3 15 8 03 1 97 ...
Страница 25: ...22 5 4 Console 16 Drain pipe 195 Hanging arm 700 600 210 N A ...
Страница 29: ...25 6 Service Space unit mm 6 1 Four way cassette compact 6 2 Four way cassette super slim ...
Страница 31: ...27 6 5 Under Ceiling 6 6 Hi wall Cool Easy 18C AG ...
Страница 32: ...Specifications 7 Electrical Wiring Diagrams 7 1 Indoor unit A6 Duct type 7K 9K ...
Страница 33: ...Specifications 12K 18K 24K ...
Страница 34: ...Specifications Page 67 Compact Cassette type 7K 9K ...
Страница 35: ...Specifications Page 68 12K ...
Страница 36: ...Specifications Page 69 18K ...
Страница 37: ...Specifications Page 69 24K ...
Страница 38: ...Specifications Page 70 Wall mounted type 18C 7K 9K 12K 18K ...
Страница 39: ...Specifications Page 71 18C 24K ...
Страница 42: ...Specifications Page 81 21K 27K 16022000035910 ...
Страница 44: ...Specifications Page 78 36k ...
Страница 45: ...Specifications Page 79 42k ...
Страница 55: ...Specifications 14K 18K s n o i s n e m i D 3 1 ...
Страница 56: ...Specifications 21K 27K ...
Страница 57: ...Specifications 28K 36K 42K ...
Страница 81: ...83 EC 50 Open or short circuit of outdoor unit temperature sensor T3 T4 T5 ...
Страница 112: ......