DOWNLOAD LG AS-C0764DM0 / AS-H0764DM0 / LS-C1264DM0 / LS-H0764DM0 / AS-C0964DM0 / AS-H0964DM0 / LS-C1865DM0 / LS-H0964DL0 / AS-C1264DM0 / AS-H1264DM0 / LS-C2665DM0 / LS-H1264DM0 / AS-C1865DM0 / AS-H1865DM0 / LS-H1865DM0 / AS-C2465DM0 / AS-H2465DM0 / LS-H2665DM0 / AS-C0764DB0 / AS-H0764GM0 / LS-H2465DM0 / AS-C0964DB0 / AS-H0964GM0 / AS-C1264DB0 / AS-H1264GM0 / AS-C1865DB0 / AS-H1865GM0 / AS-C2465DB0 / AS-H2465GM0 Service Manual ↓ Size: 3.67 MB | Pages: 86 in PDF or view online for FREE

as-c0764dm0, as-h0764dm0, ls-c1264dm0, ls-h0764dm0, as-c0964dm0, as-h0964dm0, ls-c1865dm0, ls-h0964dl0, as-c1264dm0, as-h1264dm0, ls-c2665dm0, ls-h1264dm0, as-c1865dm0, as-h1865dm0, ls-h1865dm0, as-c2465dm0, as-h2465dm0, ls-h2665dm0, as-c0764db0, as-h0764gm0, ls-h2465dm0, as-c0964db0, as-h0964gm0, as-c1264db0, as-h1264gm0, as-c1865db0, as-h1865gm0, as-c2465db0, as-h2465gm0 service manual

Model: AS-C0764DM0 AS-H0764DM0 LS-C1264DM0 LS-H0764DM0 AS-C0964DM0 AS-H0964DM0 LS-C1865DM0 LS-H0964DL0 AS-C1264DM0 AS-H1264DM0 LS-C2665DM0 LS-H1264DM0 AS-C1865DM0 AS-H1865DM0 LS-H1865DM0 AS-C2465DM0 AS-H2465DM0 LS-H2665DM0 AS-C0764DB0 AS-H0764GM0 LS-H2465DM0 AS-C0964DB0 AS-H0964GM0 AS-C1264DB0 AS-H1264GM0 AS-C1865DB0 AS-H1865GM0 AS-C2465DB0 AS-H2465GM0
Pages: 86
Size: 3.67 MB
Type: PDF
Document: Service Manual
Brand: LG
Device: Air Conditioner
File: as-c0764dm0-as-h0764dm0-ls-c1264dm0-ls-h0764dm0-as.zip
Date: 2018-11-20

PREV: LG AS-C0764DM0 / AS-H0764DM0 / LS-C1264DM0 / LS-H0764DM0 / AS-C0964DM0 / AS-H0964DM0 / LS-C1865DM0 / LS-H0964DL0 / AS-C1264DM0 / AS-H1264DM0 / LS-C2665DM0 / LS-H1264DM0 / AS-C1865DM0 / AS-H1865DM0 / LS-C0964DA0 / LS-H1865DM0 / AS-C2465DM0 / AS-H2465DM0 / LS-C0964DM0 / LS-H2665DM0 / AS-C0764DB0 / AS-H0764GM0 / LS-C1865DB0 / LS-H2465DM0 / AS-C0964DB0 / AS-H0964GM0 / LS-C1264DA0 / LS-H0964DM0 / AS-C1264DB0 / AS-H1264GM0 / LS-C2465DB0 / AS-C1865DB0 / AS-H1865GM0 / LS-C2465GB0 / AS-C2465DB0 / AS-H2465GM0 / LS-C1865DM1 / LS-C1865GB0 / LS-C2665DM1 / AS-C0764DH0 / AS-C0964DH0 / AS-C1264DH0 / AS-C1865DH0 / AS-C2465DH0 / AS-C0964DA0 / AS-C1264DA0 / AS-C0964GA0 / AS-C1264GA0 / AS-C1865GB0 / AS-C2465GB0 / AS-H0964DA0 / AS-H1264DA0 / AS-H1865DB0 / LS-C1264DM1 / AS-H2465DB0 / LS-C1264GA0 / AS-H0964GA0 / LS-C1264GB0 / AS-H1264GA0 / LS-C0964DM1 / AS-H1865GB0 / AS-H2465GB0 / AS-H2465DM1 / LS-H0964DY0 / LS-H1264DY0 / LS-H1865DY0 / LS-H2465DY0 / LS-H0764DM1 / LS-H0964DM1 / LS-H1264DM1 / LS-H1865DM1 / LS-H2465DM1 / LS-H2665DM1 / LS-H2465GB0 / LS-H0964GB0 / LS-H1264GB0 Service Manual

LG AS-C0764DM0 / AS-H0764DM0 / LS-C1264DM0 / LS-H0764DM0 / AS-C0964DM0 / AS-H0964DM0 / LS-C1865DM0 / LS-H0964DL0 / AS-C1264DM0 / AS-H1264DM0 / LS-C2665DM0 / LS-H1264DM0 / AS-C1865DM0 / AS-H1865DM0 / LS-H1865DM0 / AS-C2465DM0 / AS-H2465DM0 / LS-H2665DM0 / AS-C0764DB0 / AS-H0764GM0 / LS-H2465DM0 / AS-C0964DB0 / AS-H0964GM0 / AS-C1264DB0 / AS-H1264GM0 / AS-C1865DB0 / AS-H1865GM0 / AS-C2465DB0 / AS-H2465GM0 Service Manual ▷ View online

Service Manual  49
Troubleshooting Guide 
Check the TRIAC high speed operation by remote control.
(The Indoor Fan Motor is connected)
Turn off Main power
Check the connection of CN-MOTOR
Check the Fan Motor
Check the Fuse(AC250V/T2A)
Turn ON Main Power
Check the related circuit of indoor Fan Motor.
• The pin NO 58 of Micom, and the part for driving TRIAC(the input and
output signal of IC01M, PIN NO 1, 16)
• Check the pattern
• Check the TRIAC
- TRIAC Open: Indoor Fan Motor never operate
- TRIAC short: Indoor Fan Motor always operates in case of ON or OFF.
When indoor Fan does not operate.
The voltage of PIN NO 1(orange) and 3(yellow) of CN-MOTOR.
About AC 180V over
About AC 50V over
TRIAC is not damaged
TRIAC Check

50 Room Air Conditioner
Troubleshooting Guide 
• Confirm that the Vertical Louver is normally geared with the shaft of
Stepping Motor.
• If the regular torque is detected when rotating the Vertical Louver with
hands 
Normal
• Check the connecting condition of CN-U/D Connector
• Check the soldering condition(on PWB) of CN-U/D Connector
If there are no problems after above checks
• Confirm the assembly conditions that are catching and interfering parts
in the rotation radial of the Vertical Louver
When Vertical Louver does not operate.
Check the operating circuit of the Vertical Louver
• Confirm that there is DC +12V between pin
(RED) of CN-U/D and
GND.
• Confirm that there is a soldering short at following terminals.
- Between 
, 
, 
and 
of MICOM
- Between 
, 
, 
and 
of IC01M
- Between 
, 
,
and 
of IC01M
60
61
62
63

Service Manual  51
Troubleshooting Guide 
When Heating does not operate
Operate “Heating Mode(     )” by setting the desired temperature of the
remote control is higher than one of the indoor temperature by 2°C at
least.
In heating Mode, the indoor fan operates in case the pipe temperature
is higher than 28°C.
Check the connector of intake and pipe sensor(thermistors)
• Check the related circuit of RY-4WAY
• Check the indoor room temperature is disconnected or not (about
10K
Ω
/at 25°C).
• Check the indoor pipe temperature is disconnected or not (about
5K
Ω
/at 25°C).
Turn ON Main Power
Check the DC voltage on the PWB ASSEMBLY
• The details of check are as followings
Check point
Between Micom
(NO.59) and GND
Between IC01M
(NO.15) and GND
Comp ON
DC 5V
Below DC 1V
Comp OFF
DC 0V
About DC
12V
Check point
Between Micom
(NO.51) and GND
Between IC02M
(NO.11) and GND
4 way ON
DC 5V
Below DC 1V
4 way OFF
DC 0V
About DC 12V
Check point
Between Micom
(NO.53) and GND
Between IC02M
(NO.12) and GND
Fan ON
DC 5V
Below DC 1V
Fan OFF
DC 0V
About DC 12V
• Comp Relay.
• 4 way Relay
• Outdoor fan Relay

52 Room Air Conditioner
Troubleshooting Guide 
Turn off Main Power
• Check the electrical wiring diagram of outdoor side.
• Check the abnormal condition for the component of
Compressor/Outdoor Fan Motor, 4 way.
• Check the "open" or "short" of connecting wires between indoor and
outdoor.

Display

Click on the first or last page to see other AS-C0764DM0 / AS-H0764DM0 / LS-C1264DM0 / LS-H0764DM0 / AS-C0964DM0 / AS-H0964DM0 / LS-C1865DM0 / LS-H0964DL0 / AS-C1264DM0 / AS-H1264DM0 / LS-C2665DM0 / LS-H1264DM0 / AS-C1865DM0 / AS-H1865DM0 / LS-H1865DM0 / AS-C2465DM0 / AS-H2465DM0 / LS-H2665DM0 / AS-C0764DB0 / AS-H0764GM0 / LS-H2465DM0 / AS-C0964DB0 / AS-H0964GM0 / AS-C1264DB0 / AS-H1264GM0 / AS-C1865DB0 / AS-H1865GM0 / AS-C2465DB0 / AS-H2465GM0 service manuals if exist.

RANDOM: