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Samsung Electronics
5-6
5-2-6 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis)
1)
Troubleshooting pro c e d u re
Troubleshooting
Remove power cord and plug in again approx. 5 Seconds
Is operation lamp blinking?
Check as in the procedure “NO Power parts”.
Refer to page 5-2.
Normal
Replace battery.
LCD is faulty.
Replace button.
Micom is faulty.
Receiver module is faulty.
Q601(C4375Y) or Q602(C1623Y) is faulty.
IR LED(CL-1L5EU) is faulty.
“ “ sound heard from the indoor unit when ON/OFF but-
ton on the remote control unit pushed?
Voltage of battery less than 2.5V (Remote Control Unit)?
LCD display status of REMOCON normal?
Voltage at PIN #30 of Remocon Micom change?
Voltage at collecter of Q601 or Q602 change?
Voltage at pin #26 of micom (IC04) change (INDOOR UNIT)?
Micom (IC04) is faulty.
Transmission display lamp ( ) blinking when
ON/OFF button on the remote control unit pushed?
Содержание UQ18A1QE
Страница 2: ... Samsung Electronics Co Ltd SEP 1998 Printed in Korea Code No DB81 10168A 2 ...
Страница 4: ...1 2 Samsung Electronics MEMO ...
Страница 10: ...2 6 Samsung Electronics MEMO ...
Страница 37: ...Samsung Electronics 6 1 6 Exploded Views and Parts List 6 1 Indoor Unit ...
Страница 45: ...6 9 Samsung Electronics MEMO ...
Страница 47: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 Main PCB DB93 10545B 24K BTU DB93 10555B 18K BTU ...
Страница 50: ...Samsung Electronics 9 1 9 Wiring Diagrams 9 1 Indoor Unit ...
Страница 53: ...Samsung Electronics 10 1 10 Schematic Diagrams 10 1 Indoor Unit ...