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Aircon not working

The indoor unit has 3 flashing lights 2 green 1 red its a samsung aqv12fan unit

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  • deb_carringt Jul 03, 2010

    cheers

  • deb_carringt Jul 04, 2010

    tried that no differance . the lights r still flashing any other ideas cheers.

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Hi! I got your message... please try to unplug the a/c from power source and let it sit for atleast 1hr. Reconnect the a/c to power source after an hour and see how it goes.

Posted on Jul 03, 2010

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Posted on Jan 02, 2017

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1 Answer

We have 2.0 HP inverter wall mounted LG aircon, when we turn on the ac, the indoor unit only is running and shut down after 3 mins. What is the solution?


Hi Marie, does the green indicator light on the front panel flash after it shuts down? If it does...count how many times it flashes this will refer to a fault code diagnostic.

Keith.

Jan 02, 2014 | LG LS-K2430HL Heat Cool Mini Split Air...

1 Answer

It shuts off and blinks 11


AHX18MEV
4 - 12
[8] SELF-DIAGNOSIS FUNCTION
1. Indoor unit
(AH-X18MEV, AH-X18MEV-1, AH-X24MEV, AH-X24MEV-1)
To display the self-diagnosis, hold down the AUX button for over 5 seconds on the indoor unit when the indoor unit is not operating.
• The operation lamp (red), timer lamp (orange) and Super jet lamp lighter) flash to indicate the information of malfunction.
(Display of self-diagnosis result)
The operation lamp (red) and the Super jet lamp (green) flash in synchronization with the timer lamp (orange).
(AH-XP18MV, AH-XP18MV-1, AH-XP24MV, AH-XP24MV-1)
To display the self-diagnosis, hold down the AUX button for over 5 seconds on the indoor unit when the indoor unit is not operating.
• The POWER CONSUMPTION indicator indicates the information of malfunction by showing the main category error (number) and the sub-category
error (-number) alternately in 1-second intervals.
Example: Compressor high-temperature error
Remark

3. CHART
<INDOOR UNIT> ?:1-second ON / 1-second OFF
Problem
symptom
Outdoor
unit indication
(LED1)
Indoor unit Malfunction
No.
Content of diagnosis Check point Action
Lamp Main Sub Main Sub
Normal
condition
Normal
blinking
? ? ? ? ? Timer (Orange) 0 0 Normal
Operation (Red)
Super Jet (Green)
Indoor and
outdoor
units do not
operate.
1-time ? ? ? ? ? Timer (Orange) 1 0 Outdoor unit
thermistor
short-circuit
Heat exchanger
thermistor short
circuit error
(1) Measure the resistance
of the outdoor
unit
thermistors.
(1) Replace the outdoor
unit thermistor
assembly.
? Operation (Red)
Super Jet (Green)
? ? ? ? ? Timer (Orange) 1 Outdoor temperature
thermistor
short circuit error
(2) Check the lead wire
of the outdoor unit
thermistor for torn
sheath and shortcircuit.
(2) Replace the outdoor
unit thermistor
assembly.
? Operation (Red)
? Super Jet (Green)
? ? ? ? ? Timer (Orange) 2 Suction thermistor
short circuit
error
(3) No abnormality
found in above
inspections (1) and
(2).
(3) Replace the outdoor
unit control
PWB assembly.
? Operation (Red)
? Super Jet (Green)
? ? ? ? ? Timer (Orange) 3 2-way valve
thermistor short
circuit error
? Operation (Red)
? ? Super Jet (Green)
LED1
AU-X24MV, AU-X24MEV
AU-X18MV, AU-X18MEV
LED1

May 27, 2012 | Sharp Heating & Cooling

1 Answer

When i start the a/c indoor unit working and after 1 minute of the indoor unit and blinking the green and red light.


Green blinks indicate communication to outdoor, but red light indicates communication problem. Check PCB.

Oct 16, 2011 | Samsung AS18A6RB Air Conditioner

1 Answer

Indoor unit start up as if the unit is fine then as soon asthe compressor is about to kick in (after 10 or 20 seconds) the green light on the front of the unit start flashing and the unit shuts down. went...


get the owners manuel and check q&a there should be a section that deals with the codes. the different sequences can help you trouble shoot. be careful the codes are not always correct. contact mitsubishi if you can't find. if all else fails call a repair person

Aug 06, 2011 | Mitsubishi Mr. Slim MXZ30TN Air...

1 Answer

I could not make my aircon work. When i turned it on using the remote control, the operation and timer light will blink together. The fan would not spin. No matter how many times i've turned it off and on,...


The problem is on electronic control units in the indoor air conditioner, there are two temperature sensors, sensor pipe evaporator and room temperature sensor. one or both of these sensors is defective, so that electronic controller error and showed signs of a green and yellow light flashes. You must replace both sensors with a new and appropriate size (specification).



Aug 25, 2010 | Samsung Heating & Cooling

2 Answers

Indoor unit flashes 5 times. error code meaning?


E-5 -Comms Error, check your wiring, remove external pumps. Split/Multi - check volts from terminal N to 3 = 0 - 65 Vdc, Multi V - 4 Vdc terminals 3 and 4

Apr 17, 2010 | LG LS-L1210CL Mini Split Air Conditioner

1 Answer

Indoor unit light blinking ( first n second light from top)


I have the same problem too. Aircon cannot switch on, two lights from the top is blinking. Everytime I turn on, the flip is open then close again with sound. The technician said the thermostat cable need to be replace. It cost about $15. The cable is 14" long. Hope this help.

Feb 16, 2010 | Samsung Heating & Cooling

1 Answer

Samsung aircon cuts off. lights green/yellow flashing


lg air cond.multi split led lamp blink power 1 times,good sleep 2 times

Feb 11, 2009 | Heating & Cooling

1 Answer

Samsung aircon turns in 5 sec. lights green/yellow flashing


check capacitor on outside unit,or gas is leaking.
try to reset(small black button in inside unit under the cover)

Feb 11, 2009 | Samsung Heating & Cooling

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