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LG aircon operation light flashes 8 times and then shifts to timer light flashes 4times and then back again to operation light but aircon is not operating.

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Jz on the aircon manuly on inside the front door.lift the front on the indoor unit there the on/off button,jz press it.don't use remote it can help u

Posted on Apr 20, 2014

Testimonial: "i've done that,still the same. it says in the faulty codes manual, the problem is the dual sensor is unplugged. this faults indicates that the compressor discharge sensor and the condenser air temperature sensors are both unplugged. Both of these sensors are connected to a single unit connector on the outdoor unit PCB plug it in and the fault will go away. But I don't where is the PCB really should i now call my contractor?"

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Posted on Jan 02, 2017

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  • 1 Answer

SOURCE: Fujitsu Heat Pump - problems

I had the same problem. The heater did not work in heating mode. However it was OK in air-conditioning mode. The operation light and the timer light blink twice and then the operation light blinks for 5 times followed by few seconds non blinking, then the cycle repeats again. I have read on the internet that you better unplug the power cord and then plug it again so that the heater re-sets itself. My only problem was that my heater is directly plugged to the power with no visible plug. So I went to the main distribution board and put off the power for about 20 seconds for the whole home. HOORAY!! The heater worked after that.

Posted on Aug 08, 2008

  • 1 Answer

SOURCE: i have a Fujitsu ASTA24LCC

Check your filters. Manual says they need to be cleaned every two weeks under normal operation (and in my case more often during renovations). It seems it may not take much to limit air flow enough for the indoor unit to trip out. Hope this helps.

Posted on Aug 24, 2008

  • 3 Answers

SOURCE: TOYO TA-09CHS aircon problem

TOYO mini split air conditioner made in Japan is very very good quality and it can runs for 20 years without any problem. You didn't hire a best ac technician to install your TOYO unit. The tubing connection between indoor unit and outdoor unit is not the right torque and refrigerant leak. Your TOYO unit runs out of refrigerant. You need fix the leak and fully charge the system. You will solve the problem.

Posted on Apr 18, 2010

hvac1960
  • 2133 Answers

SOURCE: Operation and timer light flash

Please cancel your timer setting by reset the power. And also remove battery from your remote and reset it. Now start your unit.

Posted on Dec 14, 2010

  • 2 Answers

SOURCE: Operation light and timer light blink 5 times?

If it's winter, you may need to get rid of ice built-up inside that's keeping the fan from turning. Turn the power off AT THE FUSE BOX, open the top of the unit by removing the 4 screws, pour boiling water onto any ice at the bottom until melting, dry with hair dryer a bit, then turn unit back on.

Posted on Feb 02, 2011

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1 Answer

What does error message mean on Fujitsu inverter aircon model ASTA30LCC. red operation light flashes on 5 times with green timer light flashing on twice. Can someone please tell me what the fault is?


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1 Answer

LG aircon flashes blinking 8 times and the shifts to timer led flashes blinking light 4 times


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Sounds like a 48 code. (There is no 84 to my knowledge).
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call a LICENSED hvac repairman

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