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Fujitsu Heat Pump - problems with timer? When starting the heat pump - the operation light, together with the timer light blinks twice, then the operation light blinks another five times. Then the sequence starts over again. The machine never comes on?

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  • Sean Jan 23, 2013

    Turning the power to the unit off for 20 seconds - to several hours, and then turning the power back on, has no effect. The error condition still exists. Also, there is no reset button on my unit. Thanks.

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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

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Timer will not turn off at indoor unit green light continues to flash although remote shows it off tried turning outdoor unit off for over 15 minutes but this makes no difference

Posted on Apr 25, 2011

There is a reset button on the right side of the wall unit i had trouble after cleaning the filter the book does not tell you anything about this but you have to push the reset after cleaning the air filters, not it works great,

Posted on Aug 26, 2008

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My fujitsu heat pump asta12lcc not working. Operation and timer flash twice then operation flashes 3 times, cycle repeats self. What does this mean? Thankyou


Error code = Operation light x 5, Timer light x 2:
IPM protection
Abnormal current value of IPM is detected.
> Permanent stop.
[Diagnosis Point]
- Heat radiation is blocked (inlet/outlet). - check indoor and outdoor coils for blockage by dirt. If outdoor blocked, turn off power and gently hose down coils from top to bottom (that's the radiator like assembly). Don't spray upwards as you can force water onto circuit boards. Allow to dry and turn power back on to check.
- Check if outdoor fan is defective (does not rotate).
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- Refrigeration cycle defective (Refer to after mentioned "refrigeration cycle diagnosis").

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Hi my friend,
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