Trouble Shooting
■
EC12 : When the trouble is found on the part related to the fan motor of outdoor unit.
32
Check point :
- Outdoor unit PCB relay defect
- Output of outdoor unit micom
- Outdoor unit fan motor defect
- Defect of IC07 of outdoor unit PCB
NO
YES
YES
NO
NO
NO
NO
Check and replace
the related part
YES
NO
NO
YES
YES
YES
YES
Is the power source normal? AC208~230 60Hz
Is the wire harness for motor connection good?
Is the terminald contact of fan motor condenser good?
Does the outdoor fan motor changes to mild
and strong wind during the cooling
operation?
Do the RY73, RY74 operate?
Normal
Check and replace
the micom
Check and replace
the relay
Check and replace
IC07
Replace PCB
Is the wind volume output pin of micom high
when each wind control is operation?
Is the voltage across the PCB relay 12V
when the each wind control of micom
is opeating?
Are the pins 11 and 12 of IC07 of outdoor
unit PCB low when each wind control mode
micom is operation?
Is the voltage across the outdoor unit
fan motor AC208~230V?
Check outdoor unit fan motor and replace
DB81-00206A(3)-1 3/28/02 5:43 PM Page 32
Содержание ACH2400C
Страница 10: ...Disassembly and Reassembly 9 No Part name Procedures Picture Pump DB81 00206A 3 1 3 28 02 5 42 PM Page 9...
Страница 21: ...20 MEMO DB81 00206A 3 1 3 28 02 5 43 PM Page 20...
Страница 42: ...41 MEMO DB81 00206A 3 1 3 28 02 5 43 PM Page 41...
Страница 51: ...50 MEMO DB81 00206A 3 2 3 28 02 5 44 PM Page 50...
Страница 55: ...54 MEMO DB81 00206A 3 2 3 28 02 5 44 PM Page 54...
Страница 57: ...56 6 2 Outdoor Unit UCC2800C 2400C CODE NO DB68 02243A DB81 00206A 3 2 3 28 02 5 44 PM Page 56...
Страница 58: ...Wirning Diagram 57 UCH2800C UCH2400C CODE NO DB68 02244A DB81 00206A 3 2 3 28 02 5 44 PM Page 57...
Страница 59: ...58 Wirning Diagram UCC4400C CODE NO DB98 05375A DB81 00206A 3 2 3 28 02 5 44 PM Page 58...
Страница 60: ...Samsung Electronics 59 MEMO DB81 00206A 3 2 3 28 02 5 44 PM Page 59...
Страница 61: ...60 Samsung Electronics 7 Schematic Diagrams 7 1 Wired Remote Controller DB81 00206A 3 2 3 28 02 5 46 PM Page 60...
Страница 62: ...Samsung Electronics 61 7 2 Centralized Controller DB81 00206A 3 2 3 28 02 5 48 PM Page 61...
Страница 63: ...Samsung Electronics 63 7 3 Indoor Unit 62 Samsung Electronics...
Страница 64: ...Samsung Electronics 65 64 Samsung Electronics 7 4 Outdoor Unit UCC2400C UCC2800C UCC4400C...
Страница 65: ...Samsung Electronics 67 66 Samsung Electronics Outdoor Unit UCH 2800C UCH2400C...
Страница 66: ...68 Samsung Electronics MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 68...
Страница 68: ...70 Samsung Electronics MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 70...
Страница 69: ...Samsung Electronics 71 MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 71...
Страница 70: ...72 Samsung Electronics MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 72...
Страница 71: ...Samsung Electronics 73 MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 73...
Страница 72: ...74 Samsung Electronics MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 74...
Страница 73: ...Samsung Electronics 75 MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 75...
Страница 74: ...ELECTRONICS DB81 00206A 3 3 28 02 5 40 PM Page 1...