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82
For 21/27/42
K
Model
Display
LED STATUS
EC 51
Outdoor EEPROM
malfunction
EL 01
Indoor / outdoor units communication error
PC 40
Communication malfunction between IPM board and outdoor main board
PC 08
Outdoor overcurrent protection
PC 10
Outdoor unit low AC voltage protection
PC 11
Outdoor unit main control board DC bus high voltage protection
PC 12
Outdoor unit main control board DC bus high voltage protection /341 MCE error
PC 00
IPM module protection
PC 0F
PFC module protection
EC 71
Over current failure of outdoor DC fan motor
EC 72
Lack phase failure of outdoor DC fan motor
EC 07
Outdoor fan speed has been out of control
PC 43
Outdoor compressor lack phase protection
PC 44
Outdoor unit zero speed protection
PC 45
Outdoor unit IR chip drive failure
PC 46
Compressor speed has been out of control
PC 49
Compressor overcurrent failure
PC 30
High pressure protection (For M5OE-42HFN8-Q)
PC 31
Low pressure protection (For M5OE-42HFN8-Q)
PC 0A
High temperature protection of condenser
PC 06
Temperature protection of compressor discharge
PC 0L
Low ambient temperature protection
PC 02
Top temperature protection of compressor
EC 52
Condenser coil temperature sensor T3 is in open circuit or has short circuited
EC 53
Outdoor room temperature sensor T4 is in open circuit or has short circuited
EC 54
Compressor discharge temperature sensor T5 is in open circuit or has short circuited
EC 56
Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited
Summary of Contents for 42QHE09D8SH
Page 1: ...SUPER INVERTER SERIES MULTI TYPE Service Manual ...
Page 21: ...18 4 5 6 Easy operation 4 5 7 Remote control and optional wired control method ...
Page 25: ...22 5 4 Console 16 Drain pipe 195 Hanging arm 700 600 210 N A ...
Page 29: ...25 6 Service Space unit mm 6 1 Four way cassette compact 6 2 Four way cassette super slim ...
Page 31: ...27 6 5 Under Ceiling 6 6 Hi wall Cool Easy 18C AG ...
Page 32: ...Specifications 7 Electrical Wiring Diagrams 7 1 Indoor unit A6 Duct type 7K 9K ...
Page 33: ...Specifications 12K 18K 24K ...
Page 34: ...Specifications Page 67 Compact Cassette type 7K 9K ...
Page 35: ...Specifications Page 68 12K ...
Page 36: ...Specifications Page 69 18K ...
Page 37: ...Specifications Page 69 24K ...
Page 38: ...Specifications Page 70 Wall mounted type 18C 7K 9K 12K 18K ...
Page 39: ...Specifications Page 71 18C 24K ...
Page 42: ...Specifications Page 81 21K 27K 16022000035910 ...
Page 44: ...Specifications Page 78 36k ...
Page 45: ...Specifications Page 79 42k ...
Page 55: ...Specifications 14K 18K s n o i s n e m i D 3 1 ...
Page 56: ...Specifications 21K 27K ...
Page 57: ...Specifications 28K 36K 42K ...
Page 81: ...83 EC 50 Open or short circuit of outdoor unit temperature sensor T3 T4 T5 ...
Page 112: ......