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Ptac suburban dynaline doesnt heat

Our Suburban Dynaline 3 has a period (.) in the display and we don't know what this means. I have tried to track down the manual, but cannot track down any troubelshooting or servicing documentation. Any help would be appreciated.

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  • Julie Sullivan
    Julie Sullivan Jan 06, 2015

    Nope, I think we ended up unplugging and plugging it back in. There was a sticker on the inside panel that said how to reset it, and I believe we tried that, but the unplugging is really what worked.

    We also have a heater/air conditioner unit, not a microwave oven. Not sure why it is categorized here.



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I had the same issue with my unit - I just needed to clean the air intake filter. The system will lock-down if it isn't getting the right air pressure / overheating.

It's easy to do, you just grab the lower back sides of the cover and lift it up and away from the unit. The filter is at the front of the system and can be pulled up and out for cleaning. You can then clean the filter with water / soap water.

There are also instructions in the manual about checking the flame - you can do this while the filter is off. There's a little window into the burner and you should be seeing a predominately blue flame.

Posted on Mar 01, 2015

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We're you able to figure this out? We have the same unit and when heating it locks-out and displays a little dit next to the temperature.

Posted on Jan 06, 2015

Testimonial: "After this was happening and the air conditioner wasn't able to cool below 68, we had a handy man replace the compressor."

  • Nana
    Nana Jan 06, 2015

    By the way, ours is a heating unit and not a microwave



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