14
3-2-5 If Operation By Remote Control Unit Is Impossible. (Initial Diagnosis)
1) Troubleshooting
procedure
Y
N
Y
Y
N
Y
N
N
N
N
N
N
Y
Y
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Y
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
button 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?
9-00187A(1)-TS 5/16/01 2:01 PM Page 14
Summary of Contents for AS09A5MA
Page 2: ......
Page 17: ...15 MEMO...
Page 26: ...24 6 Wiring Diagrams 6 1 Indoor Unit AS07A5 6 MA AS09A5 6 MA AS12A5 6 MC...
Page 28: ...26...
Page 29: ......
Page 30: ...ELECTRONICS Printed in Korea...
