6-17
■
EC17 : When the trouble is found on the part related to ventilator of indoor unit.
Check and replace IC01, IC02
NO
YES
YES
Put off and then reset the power
Replace micom
Check and replace IC06
Check and replace RY77
Replace indoor unit PCB
NO
NO
NO
NO
NO
Is the option switch 1 of indoor unit off?
Is the voltage across RY77 normal?
Check and replace ventilator
Is the voltage of CN6 no.1 and 3 of indoor unit
AC220V~AC240V?
Is the output DC112V, DC5V normal?
Is the wire correctly connected between indoor unit and outdoor unit?
after check of short circuit between indoor unit and ventilator wire, start the wind control and check the
indoor fan and then start the test.
Is IC06 pin no. 10 “LOW”?
Check point :
- Indoor unit PCB
↔
ventilator connector wire, output voltage of indoor unit micom pin No. 5
- Ventilator, DC 12V power, DC5V power, indoor unit option switch.
Is IC06 pin no. 7 “HIGH”?
YES
YES
YES
YES
Samsung Electronics
Trouble Shooting
00152-TSHOO-9 2/1/01 2:00 PM Page 6-17
Содержание ACH1800E
Страница 3: ...1 2 Samsung Electronics MEMO ...
Страница 11: ...Samsung Electronics Product Specifications 2 8 Centralized Controller ...
Страница 17: ...3 4 Micro Computer Block Diagram Cassette Indoor 3 6 Samsung Electronics ...
Страница 18: ...3 5 Micro Computer Block Diagram Outdoor Samsung Electronics 3 7 ...
Страница 19: ...3 8 Samsung Electronics MEMO ...
Страница 69: ...4 50 Samsung Electronics MEMO ...
Страница 75: ...5 6 Samsung Electronics Disassembly and Reassembly No Part name Procedures Picture Fan and motor Pump ...
Страница 76: ...Samsung Electronics 5 7 Disassembly and Reassembly No Part name Procedures Picture Pump ...
Страница 108: ...Samsung Electronics 6 21 MEMO ...
Страница 119: ...7 11 Samsung Electronics MEMO ...
Страница 125: ...8 6 Samsung Electronics MEMO ...
Страница 126: ...9 1 9 PCB Diagrams Samsung Electronics 9 1 Main PCB 9 1 1 Indoor Unit 18K 24K ...
Страница 129: ...Samsung Electronics 9 4 Indoor Unit 18K 24K 36K 44K ...
Страница 132: ...9 7 Samsung Electronics 9 1 2 Outdoor Unit 18K 24K ...
Страница 134: ...9 9 Samsung Electronics Outdoor Unit 18K 24K 36K 44K ...
Страница 137: ...9 12 Samsung Electronics MEMO ...
Страница 138: ...10 Wiring Diagrams 10 1 Indoor Unit 18K 24K Samsung Electronics 10 1 CASSETTE TYPE AIRCONDTIONER ...
Страница 139: ...10 2 Samsung Electronics 36K 44K Wiring Diagrams CASSETTE TYPE AIRCONDTIONER ...
Страница 140: ...10 2 Outdoor Unit 18K 24K Samsung Electronics 10 3 BUILT IN AIRCONDITIONER CODE NO DB68 00866A ...
Страница 141: ...10 4 Samsung Electronics 36K 44K Wiring Diagrams BUILT IN AIRCONDITIONER CODE NO DB68 00866A ...
Страница 142: ...11 Schematic Diagrams 11 1 Wired Remote Controller Samsung Electronics 11 1 ...
Страница 143: ...11 2 Centralized Controller 11 2 Samsung Electronics ...
Страница 144: ...11 3 Indoor Unit 18K 24K Samsung Electronics 11 3 ...
Страница 145: ... Indoor Unit 36K 44K 11 4 Samsung Electronics ...
Страница 146: ...11 4 Outdoor Unit 18 24K Samsung Electronics 11 5 ...
Страница 147: ... Outdoor Unit 36K 44K 11 6 Samsung Electronics ...
Страница 148: ...Samsung Electronics 11 7 MEMO ...
Страница 150: ...ELECTRONICS Samsung Electronics Co Ltd Jun 2000 Printed in Korea Code No DB81 00152A 4 ...