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17.4 Self-diagnosis
Method
17.4.1 H11 (Indoor/Outdoor Abnormal Communication)
Malfunction Decision Conditions
•
During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal
transmission is checked whether it is normal.
Malfunction Caused
•
Faulty indoor unit PCB.
•
Faulty outdoor unit PCB.
•
Indoor unit-outdoor unit signal transmission error due to wiring error.
•
Indoor unit-outdoor unit signal transmission error due to breaking of wire in the connection wires between the
indoor and outdoor units.
Troubleshooting
Summary of Contents for CS-E7PKEW
Page 28: ...28 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Page 30: ...30 5 1 2 CS E18PK CS E21PK CS E24PK CS E28PK CS XE18PK CS XE21PK ...
Page 31: ...31 5 2 Outdoor Unit 5 2 1 CU E7PKE CU E9PKE 5 2 2 CU E12PKE CU E15PKE ...
Page 32: ...32 5 2 3 CU E18PKE CU E21PKE ...
Page 33: ...33 5 2 4 CU E24PKE CU E28PKE ...
Page 42: ...42 8 1 2 CS E28PKES ...
Page 48: ...48 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Page 56: ...56 10 1 6 Human Activity Sensor Printed Circuit Board ...
Page 57: ...57 10 2 Outdoor Unit 10 2 1 CU E7PKE ...
Page 58: ...58 10 2 2 CU E9PKE CU E12PKE CU E15PKE ...
Page 59: ...59 10 2 3 CU E18PKE CU E21PKE ...
Page 60: ...60 10 2 4 CU E24PKE CU E28PKE ...
Page 66: ...66 ...
Page 68: ...68 For Gas side piping please refer table and diagram below ...
Page 76: ...76 ...
Page 140: ...140 Figure 3 Figure 4 18 1 1 3 To remove discharge grille Figure 5 ...
Page 142: ...142 Figure 8 Figure 9 ...
Page 143: ...143 Figure 10 ...
Page 145: ...145 18 2 1 3 To remove power electronic controller Figure 13 Figure 14 Figure 15 Figure 16 ...
Page 147: ...147 Figure 20 Figure 21 ...
Page 148: ...148 Figure 22 ...