95
18.3.3.4 Voltage protection(ODU E5)
Outdoor unit low AC voltage protection(PC10)
Outdoor unit main control board DC bus high voltage protection(PC11)
Outdoor unit main control board DC bus high voltage protection /341 MCE error(PC12)
Voltage protection
Check the voltage of
outdoor unit power supply,
whether the voltage
between L(L1) and N (L2) is
about 220~240VAC
Check the power supply
Check whether the voltage
of IPM board P and N is
normal? DC277-356V for
18-27KBtu/h; DC277-410V
for 36-42KBtu/h
Replace bridge rectifiers,
and then check whether the
system can run normally
Replace IPM board, and
then check whether the
system can run normally
Replace outdoor main board
Yes
No
No
No
No
Yes
Trouble is solved
Yes
Yes
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: ......