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Airco Indoor unit SC 12 ZKG Samsung After a while, 2 seconds to several hours the unit switch off. Lights on the unit green and yellow blink for several seconds. The switch off time is increasing shorter. Started with several hours now a days it only last a few seconds to switch off. In this country (Mozambique) is not sufficient kwowlegde to repair the unit. It was working for about 4 years. What can be wrong? Beste regards, Cees van Perlo - Electronic engineer cjvanp@tdm.co.mz

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5 Suggested Answers

  • 1 Answer

SOURCE: samsung aircon cuts off. lights green/yellow flashing

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

Posted on Feb 13, 2009

skrbin
  • 121 Answers

SOURCE: 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)

Posted on Feb 16, 2009

  • 659 Answers

SOURCE: I have the Mitsubishi split unit system with 24BTU

Ok, it can be two things.

  1. The outside unit needs to be washed with a water hose to rinse any dirt and debris that can cause a restriction in airflow over the outdoor coils. If they are allowed to get dirty, they can cause the compressor to overheat and shut down on thermal lockout.
  2. The unit has a small refrigerant leak and the unit doesn't have sufficient refrigerant for the system to run thus causing the compressor to shut down on thermal lockout. The problem with this one is that generally the inside coil will freeze up and you will notice that.
Compressors generally won't come on at all if they are bad. You can have a compressor go bad and still be running, but it won't cool at all. A bad install can cause a compressor to fail as well. Generally if the compressor fails within the first 10 years, you can bet it's because it was a poor install. This means that a proper vacuum wasn't pulled on the unit before initial start-up. Hope this helps.

Posted on Apr 06, 2009

ginko
  • 19396 Answers

SOURCE: Have a Multi Split Indoor unit ASU9RD - 2 units

Hi.

Here error codes:ERROR CONTENTS

Here a complete service manual.

Here user manual.

Before doing anything else, power down the main circuit breaker, so to power down each unit and reset the electronics in the whole system. If all units have gone down at the same time, this will often solve the problem.

Regards.

Ginko.

Posted on Feb 15, 2011

  • 1 Answer

SOURCE: Fujitsu asu24cl blinking lights

This machine is a looser. Mine has same blink codes. Its been serviced every year since it was installed 3-4 years ago.. Since the elctric work was half the cost of installing it, maybe Ill put in a differnt brand!

Posted on Oct 28, 2011

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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

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Bought in Dubai 3 years ago Pan.Viera LCD 32"\r\nStandby light flashing red/green. Have to switch on with on/off button after a few minutes switches off itself..........then back on itself


Power LED Blinking timing chart
When an abnormality has occurred the unit, the protection circuit operates and reset to the stand by mode. At this time, the defective block can be identified by the number of blinks of the Power LED on the front panel of the unit.
blinking

1 dg board, (stv 5v sense time out)
2 d board
3 d board
4 p board
5 d board
6 su sd sc boards
7 su sd sc boards
8 ss board
9 panel config
10 digi board-
11 pb board
12 h board
13 dg board

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I need the wiring diagram to wire a thermostat to the outside unit. Which wire goes where ? My Thermostat has four wires, green, red, white, and yellow. My Outside unit has three wires that are not...


The thermostat wires are this, Red is 24 volts hot, Yellow is cooling, Green is fan,indoor, and white is heat.The outdoor unit wires up to the indoor units terminal board, not the thermostat.The red will go to the R or red 24 volt wire at the furnace.The yellow goes to the yellow terminal at the furnace. You should only have 2 wires to connect at the outdoor unit. Try capping the blue off.It may not be used unless this is a dual transformer unit which you will need a tech to come out and rewire the furnace to make the outdoor unit a 2 wire set-up. This can be very complicated if this is the case. Connect these wires like I have said to the indoor unit, and it should work fine. Please keep me posted. This is only low voltage, so don't let it scare you. If nothing works, I would say that the blue wire outdoors is the 3rd wire for a 2 transformer unit, and will need to be rewired at the indoor unit for it to work, this I would have to be there to do.
Sincerely,
Shastalaker7
A/C, & Heating Contractor

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1 Answer

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Feb 11, 2009 | Samsung Heating & Cooling

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