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Troubleshooting
Samsung Electronics
4-33
Yes
Indoor/outdoor communication error (1 min.) (Error Code: E202) (cont.)
Continue
Check the communication circuit of the Main
PCB of the outdoor unit.
1. Is there a fault in communication IC?
2. Is there a fault in TVS-Diode?
Measuring
Part
Communication IC Measuring Part
(Circuit Diagram)
Example of Measuring
Communication IC
Example of Measuring
TVS-Diode
Location
CommB(#7)
CommA(#6)
Vcc(#8)
GND(#5)
Measuring
Point
#5-GND, #6- Communication A, #7-
Communication B, #8-Vcc
Communication IC Measuring (Port)
Steady-state Measuring Value
Remark
COM 1(RED)
#6 - #5
0.9kΩ ~ 1.2kΩ
Measuring after separating the communicatio
connection
#7 - #5
0.9kΩ ~ 1.2kΩ
#8 - #5
4.7Vdc ~ 5.3Vdc
TVS-Diode Measuring
Steady-state Measuring Value
Both ends of diode
1kΩ or above
Содержание AC026RN1DKG
Страница 215: ...PCB Diagram and Parts List Samsung Electronics 5 7 AC026 035 052 071RNLDKG 1 2 15 5 4 10 9 6 7 8 11 12 15 16 13 14 ...
Страница 219: ...PCB Diagram and Parts List Samsung Electronics 5 11 AC026 035 052RNJDKG ...
Страница 221: ...PCB Diagram and Parts List Samsung Electronics 5 13 AC100 120 140RNCDKG 1 2 3 4 5 6 7 8 9 10 11 12 13 14 18 15 16 17 19 ...
Страница 228: ...PCB Diagram and Parts List 5 20 Samsung Electronics 1 2 3 4 5 6 7 8 9 11 10 12 12 13 AC100 120 140RXAD G ...
Страница 247: ...Wiring Diagram Samsung Electronics 6 9 Indoor Unit cont AC026 035 052RNJDKG ...
Страница 248: ...Wiring Diagram 6 10 Samsung Electronics Indoor Unit cont AC100 120 140RNCDKG ...
Страница 251: ...Wiring Diagram Samsung Electronics 6 13 Outdoor unit cont AC100 120 140RXADKG EU ...
Страница 252: ...Wiring Diagram 6 14 Samsung Electronics Outdoor unit cont AC100 120 140RXADNG EU ...