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doug galloway 12-14-2007 02:26 AM

Zone 1 not working properly
I have a two zone system. All of a sudden, both zones, whether they are on simultaneously or independently, are only heating the upstairs. Nothing is blowing downstairs. This is a Carrier system. Any help is appreciated.

scorrpio 12-14-2007 09:31 AM

Sounds like a zone control module problem. If it was fan/dampers, you'd have nothing blowing anywhere with only downstairs thermostat calling for heat.

doug galloway 12-14-2007 05:10 PM

Scorpio, thanks for the reply. Is it possible that the damper is stuck in a position that is only allowing the air to flow upstairs only?

redline 12-14-2007 06:18 PM


You may be able to manually open the ones that you need or vise versa.

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