Question about DeLonghi Pinguino PACL90 Portable Air Conditioner

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We had a power outage, when the power came back on the airconditioner was just making a clicking sound and flashing PF. I tried unplugging the unit etc. Things light up but nothing happens..Help...

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  • nerr Nov 16, 2009

    When you say 'remove cover'....where exactly is this cover ? There does not seem to be anything to un-do on the bottom of the unit....Do you unscrew a panel on the side of the unit or the top of the unit ?

  • nerr Nov 16, 2009

    We are dealing with a Pinguino Pac CT90....

  • nerr Nov 16, 2009

    What cover ? The top of the machine ? The sides of the machine ? There isn't anything to open on the bottom of the air conditioner make it even more fun the screws are stripping....N

  • nerr Nov 17, 2009

    When you say remove cover...which cover ? Top of unit, side of unit ?


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It refers to PROBE FAILURE.

The probe is damaged and needs to be replaced.

You need to cal professional on site to fix this.

Let me know, if needed further assistance.

Hope i helped you.

Thanks for using ' Fixya ' and have a nice day!!

Posted on Nov 17, 2009

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Leave the unit unplugged for at least 15 minutes, It may have overheated the compressor and tried to start up again.
If you have a reset button in the back of the unit, reset it(Usualy close by the power cord)
Also You want to dump any excess water from the unit at this time, so you have a fresh start.
Once the compressor cools down 90% of the time your error code will clear itself out and reset back to normal.
Keep me posted.

Thank you for Using FixYa!

Posted on Nov 17, 2009

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This code means that the probe has failed.

The probe is located under the main board low inside the only silver metallic box on the bottom with the circuit board under it. Remove cover and you will immediaetly you see a 4 inch black wire connected to the main board tucked under and mounted. Unplug the white connector from board, power on, then carefully plug the white connector back on, turn unit off and back on, you should see all 3 mode lights now on steady , no pf error and it doesnt turn off, and you can change modes and temps.

Posted on Nov 16, 2009

  • super_guy Nov 17, 2009

    PAC CT90?? no wonder you can't find the cover then... I've only worked on a PACL90 which was what I thought yours was based on the category it was filed under.

  • super_guy Nov 17, 2009

    When I say cover for the PACL90, I mean the entire front and back cover piece. The front and back cover should be held together by a couple of screws. Once you get the screws off, then the cover pieces should pop off from the base. Then you will be able to access the main board which is located near the exhaust vent.

    I haven't done this in a really long time, but I believe it takes around 30 mins to dismantle to get to the board


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