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Samsung s inverter air con.model number aqv18fcx.when switch on cold air blows for about 20 seconds then closes down.green and red lights flash.

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Please check if the compressor is getting heated up. If yes then system is working fine and need to check the fan. Most of the cases the compressor would remain silent and therefore the problem is with the compressor.

Thanks

Posted on Apr 14, 2009

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Posted on Jan 02, 2017

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FUJITSU Inverter wall mounted split air conditioner Model : AST12LSBCW not working, flashing lights


This is a "PFC circuit abnormal" in the outdoor unit meaning that the outdoor controller board is faulty. Try turning the machine off at the isolator switch for 10 mins, then back on to see if the error resets. If not you will need a new controller PCB.

Nov 15, 2016 | Fujitsu Heating & Cooling

1 Answer

Green light flashing on wall unit - no cold air?


Compressor should switch on after 3 minutes.And if it does and still no cold air coming out of the inverter.Then unit needs to be gased.

Jan 06, 2014 | Heating & Cooling

1 Answer

Inverter manuals


Model No Required below Model No AH-X18MEV Self diagnosis mode given

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
• If the power cord is unplugged or the circuit breaker is turned off, the self-diagnosis memory is lost.
AUX
Operation lamp(red)
Timer lamp(orange)
Super jet lamp(green)

Oct 12, 2013 | Sharp Heating & Cooling

1 Answer

Fujitsu ASU18RLQ heater/air conditioner with 2 green and 7 red flashing error lights


Here is a link to the error codes.
http://www.fullyairconditioned.com.au/images/uploaded/files/fujitsu%20fault%20code%2
0split%20system.pdf


Hope you find an answer there.

Feb 15, 2013 | Fujitsu ASU18RLQ Single Zone Wall Ductless...

1 Answer

My epson tx700 printer dispaly ink pad at end of life and printer not start


A fix from a forum:

Procedure 1 We found this procedure to work for the Stylus Photo 1270 type printer, and understand that it also works for the 870 range and even earlier models like the Stylus Color 740. The error is indicated on these printers by all four lights on the printer flashing. Even if you press the power switch on the printer, the lights continue to flash, and the printer does not turn off!
  1. Turn off your printer, ensuring that the print head is at it's home location and locked in place as normal;
  2. Power off the printer at the wall or by removing the power cable, for at least 20 seconds;
  3. When you restore power to the printer at the wall socket or by reinserting the cable, if the lights come back on straight away, the printer's power switch was 'on' - switch it off and return to step 1;
  4. Hold down the paper-feed button and the button with the ink-drops next to it, and then turn on the printer, still holding the buttons down;
  5. When the paper-out LED flashes, release the buttons;
  6. Press and hold the Cleaning button, until several lights flash - this will take a few seconds (i.e. then release the button);
  7. The printer will now attempt to reset, including resetting the EEPROM memory and running a short (about 10 seconds) cleaning cycle.
Procedure 2
  1. Turn off your printer, ensuring that the print head is at it's home location and locked in place as normal;
  2. Hold down the paper feed button only;
  3. Turn on the printer;
  4. As the paper feed light starts flashing, release the button;
  5. Immediately hold down the ink-drops button for some 10-20 seconds or until the printer springs into life;
  6. Allow printer to complete it's processing, then turn off for a few seconds, and back on again for a newly working printer!
Procedure 3 - for 1290 and possibly 890 printers 1290 printer with green (power / data) and red (ink / paper feed) lights flashing alternately:
  1. Switch off printer with panel switch;
  2. Switch off printer at mains switch - leave off for 20+ seconds;
  3. Hold down roll feed and sheet feed buttons;
  4. Switch on at mains;
  5. Switch on at printer panel;
  6. Continue to hold down roll and sheet feed buttons until both green and red lights flash together in synchronisation, not alternately;
  7. Switch printer off and then, after a few seconds, on again at mains switch;
  8. When red and green lights are both flashing in synchronisation, release the roll and sheet feed buttons;
  9. Press and hold down the ROLL FEED button (the one at the extreme left) and keep it down until the machine finishes whirring, cleaning etc and the green light comes on steady;
  10. Release the roll feed button and all should be well.

Apr 25, 2011 | Epson Printer

1 Answer

The ink pads are at the end if their service life.


Depending on what type of printer you have:

Procedure 1 We found this procedure to work for the Stylus Photo 1270 type printer, and understand that it also works for the 870 range and even earlier models like the Stylus Color 740. The error is indicated on these printers by all four lights on the printer flashing. Even if you press the power switch on the printer, the lights continue to flash, and the printer does not turn off!
  1. Turn off your printer, ensuring that the print head is at it's home location and locked in place as normal;
  2. Power off the printer at the wall or by removing the power cable, for at least 20 seconds;
  3. When you restore power to the printer at the wall socket or by reinserting the cable, if the lights come back on straight away, the printer's power switch was 'on' - switch it off and return to step 1;
  4. Hold down the paper-feed button and the button with the ink-drops next to it, and then turn on the printer, still holding the buttons down;
  5. When the paper-out LED flashes, release the buttons;
  6. Press and hold the Cleaning button, until several lights flash - this will take a few seconds (i.e. then release the button);
  7. The printer will now attempt to reset, including resetting the EEPROM memory and running a short (about 10 seconds) cleaning cycle.
Procedure 2
  1. Turn off your printer, ensuring that the print head is at it's home location and locked in place as normal;
  2. Hold down the paper feed button only;
  3. Turn on the printer;
  4. As the paper feed light starts flashing, release the button;
  5. Immediately hold down the ink-drops button for some 10-20 seconds or until the printer springs into life;
  6. Allow printer to complete it's processing, then turn off for a few seconds, and back on again for a newly working printer!
Procedure 3 - for 1290 and possibly 890 printers 1290 printer with green (power / data) and red (ink / paper feed) lights flashing alternately:
  1. Switch off printer with panel switch;
  2. Switch off printer at mains switch - leave off for 20+ seconds;
  3. Hold down roll feed and sheet feed buttons;
  4. Switch on at mains;
  5. Switch on at printer panel;
  6. Continue to hold down roll and sheet feed buttons until both green and red lights flash together in synchronisation, not alternately;
  7. Switch printer off and then, after a few seconds, on again at mains switch;
  8. When red and green lights are both flashing in synchronisation, release the roll and sheet feed buttons;
  9. Press and hold down the ROLL FEED button (the one at the extreme left) and keep it down until the machine finishes whirring, cleaning etc and the green light comes on steady;
  10. Release the roll feed button and all should be well.

Mar 13, 2011 | Epson Office Equipment & Supplies

1 Answer

Fujitsu inverter air cond. Just stopped working properly. Model outdoor AOT30PMAL indoor unit AST30PBA-W. Code oper. Red led flashes fast continously green led (timer) repeats 13 slow flashes. After power...


It sounds like your inverter is at fault. You will need an inverter tester ( most good service techs will have one ) to prove that the output to the compressor is correct. If the inverter is okay then it will be the compressor at fault with a location error or it is simply seized. A common fault that caused this was the eev remained closed (coil failure ) and caused the compressor to over heat.

May 11, 2010 | Heating & Cooling

3 Answers

Red light flashing


DO NOT under any circumstances touch the red wire inside the set. This cable connects to the picture tube and carrys 33,000V and can cause injury. The 3 blinks are a diagnostic code that indicate the defective circuit. Please confirm the model number as KV-36FS120 and I'll look up the code.

There is no Lamp door if this is the KV model mentioned above as this is a CRT based set not a projection set.

Please confirm the model number so I can get you a proper solution.

Thanks,
Dan

Sep 11, 2009 | Sony FD Trinitron WEGA KV-36FS120 36" TV

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