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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 reset it takes rem. Con. Commands however while inside it looks normal the fan in outdoor unit starts but compressor only makes attempts to start. After a number of series of 3-4 starting attempts it stops and fan stops. Three way resistance test does not indicate open or short circuit compressor. It reads 0.8ohms in all 3 readings.no winding to body shorts too. When comp. Wire disconnected after some time same fault code flashing appears. A red led on the major inverter board starts with intervals of 11 flashes. The voltage going to compressor when compressor disconnected appears to be erratic. It only stabilises to approx. 134v after fan stops (compressor wire disconnected). is there a way to find out whether the compressor is faulty while it appears that the inverter assembly needs replac

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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.

Posted on Jul 15, 2010

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Posted on Jan 02, 2017

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http://www.fujitsugeneral.com.au/contact.php

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Hope this helps

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