DOWNLOAD LG LWM1560BHE / LWM1861BHE / LWM1861BHG / LWN1862BHG / LWN2262BHG Service Manual ↓ Size: 2.32 MB | Pages: 67 in PDF or view online for FREE

Model
LWM1560BHE LWM1861BHE LWM1861BHG LWN1862BHG LWN2262BHG
Pages
67
Size
2.32 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner
File
lwm1560bhe-lwm1861bhe-lwm1861bhg-lwn1862bhg-lwn226.zip
Date
PREV: LG LWJ0561ACG Service Manual

LG LWM1560BHE / LWM1861BHE / LWM1861BHG / LWN1862BHG / LWN2262BHG Service Manual ▷ View online

Is setting 
Temp. set lower  than Room 
Temp.-0.5
°
C?
Is the voltage No.10
of IC01M 0V?
• Exchange IC01M.
• Select the setting Temp. to lower Number.
• Wait 3 Minutes.
Is the Unit for 3 minutes
delay?
• Exchange MAIN 
  PCB Ass'y.
Is the voltage N0.7 of 
IC01M DC 5V?
• Check the RY-COMP.
• Check the wiring 
  Diagram.
NO
NO
NO
YES
YES
YES
YES
Is the wire connection of 
RY-COMP all right?
• Check the RY-COMP.
• Connect LEAD Wire to 
  RY-COMP again.
NO
YES
NO
—20—
Possible Trouble 2
The compressor does not operate.
Possible Trouble 3
The compressor always operate.
—21—
• Exchange IC01M.
• Exchange IC01M.
Is the voltage NO.2 or 3
of IC01M DC 5V?
Is the voltage NO.14 or 15
of IC01M 0V?
• Check the RY-Hi or 
               RY-Lo.
• Check the wiring diagram.
NO
NO
YES
YES
• Exchange Micom.
• Exchange IC01M.
• Check the PCB pattern.
Is the voltage NO.6
of IC01M DC 5V?
Is the voltage NO.11
of IC01M 0V?
• Check the RY-SYNC.
• Check the connectionn 
  of CN-SYNC.
NO
NO
YES
YES
Possible Trouble 4
FAN does not operate.
Possible Trouble 5
Auto Swing does not operate. 
—22—
NO
NO
NO
NO
YES
YES
YES
Is the IC01G all right?
Is the connection of 
CN-DISP2 all right?
• Exchange the display 
  PCB Ass'y. 
• Exchange IC01G.
• Exchange Q12G, 
  Q13G, Q14G.
• Connect connector 
  to CN-DISP2 exactly.
Does the Q12G, 
Q13G, Q14G operate normally
on main PCB Ass'y?
• Check the PCB pattern.
Is the voltage of Battery
about over 2.3V?
• Exchange Receiver Ass'y.
Is the connection of 
CN-DISP2 all right?
Is the voltage No.10 
of CN-DISP2 on Main PCB 
Ass'y DC 5V?
• Exchange the battery.
• Check the PCB pattern.
• Connect connector to 
  CN-DISP2 exactly.
NO
NO
NO
YES
YES
YES
Possible Trouble 6
Remote controller does not operate.
Possible Trouble 7
It displays abnormally on display PCB Ass'y.
—23—
NO
NO
YES
YES
Is the Knob of SW1
set to left position?
Is the voltage No.1 of 
CN-DISP1 of Main PCB
Ass'y DC 5V?
• Reference to 
  OWNER'S MANUAL.
• Set the Knob of SW1 
  to left position.
• Check the SW1.
• Check the pattern of 
  Main & Display PCB.
Possible Trouble 8
The function of Auto Restart does not operate.
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