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Samsung Electronics
Yes
No
No
Yes
Are R113, R114, R115 470kohm?
Exchange the PCB.
12-2-11 DC-Link voltage sensor error
1. Checklist :
1) Is the voltage of indoor unit terminal block 1, 2 correct after power supply?
2) Is the capacitor(C101, C102, C103) for DC-Link assembled in accordance the specification?
3) Are R112, R113, R114 470 Kohm?
4) Is R115 14.3Kohm?
2. Troubleshooting procedure
Is the voltage of indoor unit terminal block
1, 2 correct after power supply?
Is the capacitor(C101, C102, C103)
for DC-Link assembled in accordance
the specification?
Apply the troubleshooting for
outdoor unit power supply error.
Connect the connector.
Exchange the PCB.
Normal operation
Exit
Yes
Yes
No
Is R116 14.3kohm?
Exchange the Fan.
No
Troubleshooting
12-13
Содержание AQV09FC
Страница 18: ...Samsung Electronics 4 1 4 Disassembly and Reassembly Necessary Tools Item Remark SCREW DRIVER MONKEY SPANNER ...
Страница 26: ...MEMO Samsung Electronics 4 9 ...
Страница 27: ...Samsung Electronics 5 1 5 Exploded Views and Parts List 5 1 Indoor Unit ...
Страница 29: ...Samsung Electronics 5 2 Outdoor Unit 5 3 ...
Страница 32: ...MEMO Samsung Electronics 5 6 ...
Страница 33: ...Samsung Electronics 5 7 5 4 Ass y Control Out AQV09NSAX DB93 05534C AQV12NSAX DB93 05534D ...
Страница 42: ...This Document can not be used without Samsung s authorization 7 2 Outdoor Unit 7 2 Samsung Electronics ...
Страница 44: ...8 2 Outdoor Unit This Document can not be used without Samsung s authorization Samsung Electronics 8 2 ...
Страница 78: ...Samsung Electronics SMPS AC COMMUNICATION SUB PCB INDOOR FAN CONTROL BUZZER CONTROL Block Diagram 13 2 ...
Страница 80: ...Samsung Electronics Block Diagram 13 4 OUTDOOR FAN B D IGBT DIODE IPM SMPS DC_LINK CAP ...