LG LMN120HE Support Question
LG LMN120HE Support Question
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Question posted by receptionist70483 on March 3rd, 2014
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Current Answers
Answer #1: Posted by BusterDoogen on March 3rd, 2014 10:37 AM
BusterDoogen
Member since:
October 30th, 2011 Points: 28,565,457
Member since:
October 30th, 2011 Points: 28,565,457
Blinking 7 times isn't enough info to give you a complete answer but if you go to this page you will have all the troubleshooting info you will need to diagnose your problem.
I hope this is helpful to you!
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Related LG LMN120HE Manual Pages
Service Manual - Page 1
website http://www.lgservice.com
LG
Multi Type Air Conditioner
SERVICE MANUAL
MODEL
• Indoor Unit:
Room Type
AMNH093D4A0(LMN090HE) AMNH123DEA0 (LMN120HE) AMNC093D4A0(LMN090CE) AMNC123DEA0 (LMN120CE)
Art Cool Type
AMNH093APM0(LMAN090HNS) AMNH123APM0(LMAN120HNS) AMNC093APM0(LMAN090CNS) AMNC123APM0(LMAN120CNS)
• Outdoor Unit: A2UH243FA0(LMU240HE) A2UC243FA0 (LMU240CE)
LG
CAUTION
...
Service Manual - Page 2
Multi type Air Conditioner Service Manual
TABLE OF CONTENTS
Model Number Nomenclature ...3 Symbols Used in this Manual ...4
Safety Precautions...5 Dimensions...11
Indoor Unit...11 Outdoor Unit ...12 Product ...Troubleshooting Guide 67 General Information...72 2-way, 3-way Valve ...78 Exploded View & Replacement Parts List 82 Indoor Unit ...82 Outdoor Unit ...86
2 Multi type Air Conditioner
Service Manual - Page 4
...
Notes : 1.Cooling Capacity is based on : indoor temp. 21.1°C(70°F)DB, 15.6°C(60.1°F)WB;
This symbol indicates special notes.
4 Multi type Air Conditioner NOTICE
This symbol alerts you to the...
Service Manual - Page 6
...Moisture may cause injury, accident, or damage to the product.
• If the base collapses, the air conditioner could cause injury. Do not install, remove, or reinstall the unit by yourself (customer).
• There...risk of fire, electric shock, explosion, or injury. Do not let the air conditioner run for a long time when the humidity is very high and a door or a window is risk of fire or ...
Service Manual - Page 8
...leak- Ventilate the product from time to time when operating it together with a...time, dis- Take care to ensure that water could result in personal injury and product dam- ed operation. failure of product damage or failure, or unintend- • This could
during operation. (Do not touch the elec- (flooded or submerged), contact not enter the product. age.
90°
8 Multi type Air Conditioner...
Service Manual - Page 9
... personal injury. I Operational
Do not expose the skin directly to your neighbors. It is a consumer air conditioner, not a precision refrigeration system.
• There is risk of time. (Don't sit in the draft.)
• This could harm to cool air for special purposes, such as preserving foods, works of property.
Do not use harsh detergents...
Service Manual - Page 10
...from the batteries gets onto your skin or clothes, wash it well with new ones of the air conditioner and could cause product malfunction or damage.
• There are sharp and moving parts that ...personal injury.
Do not dispose of batteries in batteries could cause burns or other objects through the air inlet or outlet while the product is operated.
• There is risk of fire or ...
Service Manual - Page 14
...-Level Difference of innovation some specifications may be changed without notification.
14 Multi type Air Conditioner
A2UH243FA0(LMU240HE)
9,000~24,000 2637~7033 2267~6037
9,000~24,000 2637~... See the page "Combination Table" 4. Used / Diameter
EA/inch(mm)
Discharge
Side / Top
Air Circulation
Outdoor
CMM(CFM)
Noise Level(H/L) at 230V Sound Press,1m
dB(A) 1
Defrosting
SVC Valve
...
Service Manual - Page 20
...MAP
3. Check the fixed product with the hole slightly slanted to No. 5 on this time, Remove the map)
(Falling attention)
INSTALLATION GUIDE MAP
Hanger hole (Rear side of ... a screw point. Horizontality
INSTALLATION GUIDE MAP
Indoor
WALL
Outdoor
5-7mm (0.2~0.3")
20 Multi type Air Conditioner
In case of nothing wrong in the matter, connect the pipe and the wire. (Installation...
Service Manual - Page 28
...PREPARATION(OPTIONAL)
HOW TO MOUNT ONTO A WALL
HOW TO INSERT BATTERIES Remove the battery cover from the remote controller if the air conditioner is not going to the arrow direction.
Re-attach the cover. • Slide it back into position.
• Do ... the batteries from the remote controller. • Slide the cover according to be used for some long time.
28 Multi type Air Conditioner
Service Manual - Page 30
... installing, refer to change without notice.
Main power source
Air Conditioner
Circuit Breaker Use a circuit breaker or time delay fuse.
The circuit diagram is not subject to change... wire into the control box panel by using tie wrap as the fixture.
30 Multi type Air Conditioner RECOMMAND: Provide a circuit breaker between Indoor Unit and Outdoor Unit
Connect the cable to the ...
Service Manual - Page 33
... right side of the chassis.
• Press the Grille toward the chassis until it will be back into place. Main power source
Air Conditioner
Circuit Breaker Use a circuit breaker or time delay fuse.
Model 24k
Power source
Fuse or breaker Capacity
1Ø, 230/208V
25A
Connect the cable to the outdoor unit connection...
Service Manual - Page 37
... (33 ft)
If tubing length is longer than 10m (33 ft)
10 min. Required time for evacuation varies with tubing length and capacity of the manifold valve and stop the vacuum pump... process is now ready for each indoor unit.
or more
Indoor unit Outdoor unit
2. The air conditioner is very important to fully open the valve.
2.
Manifold valve
Pressure gauge
Lo Hi
Open
Close...
Service Manual - Page 38
...charge) for the evaporator as well as a 7.5m(25ft) line set for each indoor line.
Any time total line set is used for tri - Charging
Charging
I Whether the line set is made shorter ...adjusting for line sets longer or shorter than 7.5m(25ft) for each indoor unit.
38 Multi type Air Conditioner Max total length Capacity (Btu/h) of all pipes
(A+B)
Max length of each pipe (A/B)
Max Elevation...
Service Manual - Page 39
... position. Otherwise, the air conditioner should not be cancelled 18 minutes later automatically)
I .G.)
Intake temperature
Discharge air
Discharge air
Discharge temperature
Intake temperature
Discharge...
Then attention must provide at least 90% of the performance
Operate unit for a long time.
2) Precautions in test run , carry out the cooling operation firstly even during heating ...
Service Manual - Page 42
...; At the beginning of Fuzzy mode operation, the setting temperature is automatically selected according to the setting temperature selected by Fuzzy rule, when the intake air temp is 0.5°C(32.9°F) or more above the setting temp, the
compressor is turned off. Operation
2) Fuzzy Operation for Dehumidification
• According to the...
Service Manual - Page 46
...it is inhibited for 5 sec at 28°C(82.4°F).
46 Multi type Air Conditioner
Operation
Art Cool Type Indoor Unit
Operation ON/OFF by CHAOS Logic •...Lo : Test Mode
PLASMA
: Indicate PLASMA purifier operation. Time Delay Safety Control • Restarting is
operating with the Setting Temp. Natural Air Control by Remote controller
Sensing the Room Temperature • Room...
Service Manual - Page 48
...
The Remote Controller transmits the signals to set the desired horizontal airflow direction.
48 Multi type Air Conditioner
Signal transmitter
5
1
6
3
4
2
10
CANCEL
7
9
ON
OFF
SET
11
AUTO... to set the time of starting and stopping operation.
8 TIME SETTING BUTTONS Used to adjust the time.
9 TIMER SET/CANCEL BUTTON Used to set the timer when the desired time is obtained and...
Service Manual - Page 70
... when Indoor pipe(coil) termperature is lower than 79°F. (At that times, Defrost indicator is to be stopped in the Soft Dry Mode(change to the values in Outdoor unit corresponds to the Cooling Operation Mode). Indoor Fan is turned on)
70 Multi type Air Conditioner
When indoor Fan does not operate.
Service Manual - Page 79
... the procedure(pumping down-pin).
4. If you disconnected from the gas side valve's service port. Open the valve at a time (approximately 150g each time) while operating the air conditioner in the cooling cycle; however, one time is the same if using a gas cylinder, also use a scale and reverse the cylinder so that the system can...
LG Knowledge Base Results
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Window Air will not run - LG Consumer Knowledge Base
... that only the fan will not run after this has been tried, call an electrician for service. Using the panel power switch; Window Air Conditioners: How to be used in time delay to protect the compressor from an overload. If the plug can not be replaced with a standard GFI or 125V 3-wire outlet... -
Air conditioner: Why does the unit run constantly? - LG Consumer Knowledge Base
...: 6239 Last updated: 23 Jun, 2010 Views: 531 Also read Window Air Conditioners: How to find out the square footage of the room. / Window Air conditioner: Why does the unit run for extended periods. Multiply the length times the width to choose an air conditioner for the room? However, if the unit is dripping water If you... -
LG Room / Window AC General FAQ - LG Consumer Knowledge Base
... If the unit is running in the room to cool mode. BACK TO TOP 02. What can be caused if the air conditioner is condensed during times of the Cool Mode. In addition, if the unit is in the spring or fall when conditions are humid, while the outside and...
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