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Troubleshooting
Samsung Electronics
32
1. Causes of Failure
1) Low remote control voltage.
2) Poor receiving module of panel PCB remote control.
2. Inspection Items
1) Check "Beep" sound from the indoor unit panel. This indicates normal signal transmission from remote control.
3. Inspection Procedure
Turn power off and on in 5 seconds.
Check wave style from panel PCB MICOM
U101 Pin No. #20, spherical?
Press On/Off button on panel, then real
temperature displayed and start running?
Press On/Off button on remote control,
then "Beep" sound and stop running?
Check remote control battery voltage, over DC2.5V?
Exchange panel PCB MICOM(IC101).
Press On/Off button on remote control
after exchanged, in normal operation?
Check the inspection items
during power off.
Exchange remote control.
Exchange panel PCB
receiving module.
Normal
Exchange the battery.
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
5-3-7 When remote control does not operate.
Содержание APH289SEF
Страница 38: ...MEMO 37 Samsung Electronics ...
Страница 47: ...Samsung Electronics 46 6 5 4 3 11 16 15 2 15 4 18 8 2 14 12 15 1 15 15 3 17 1 7 13 9 10 6 2 Outdoor Unit ...
Страница 50: ...49 Samsung Electronics 8 PCB Diagram 8 1 ASS Y MAIN PCB DB93 02594D TOP BOTTOM ...
Страница 53: ...Samsung Electronics 52 8 2 ASS Y PANEL PCB DB93 01419F TOP BOTTOM ...
Страница 58: ...57 Samsung Electronics 10 2 PANEL PCB This Document can not be used without Samsung s authorization ...
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Страница 60: ...MEMO 59 Samsung Electronics ...
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