What does the code E6 and FF stand for on the carrier comfort zone thermostat

SOURCE: Carrier Comfort Zone 2 flashing E2

the e2 error on your thermostat is a problem with the return temp sensor on your system, the only thing you can really do is call a company and replace it, you can't bypass it or remove it cause the system wont run properly

SOURCE: The Carrier comfort zone thermostst displays the

Go to panal and reset control. Small reset button on control board. Let me know if it clears.James

SOURCE: Blank readings on Carrier Comfort 3 zone thermostat

The stat that works is called the main and the other two are called slave stats. The stats must be set to heat or cool the same as the main. If you want one room to cool and one to heat , sorry. Need to upgrade to auto changeover. Is this AC actally a Heat pump?

Wale Sarumi KomputerSolution

• 6993 Answers
• Posted on Sep 10, 2010

SOURCE: Comfort Zone carrier Unit:

Hello,

the answer is yes. It will work. They are almost the same thing with slight difference.

You can go ahead and replace the old interface with the new style thermostat.

I wish you good luck.

SOURCE: My carrier comfort zone II

I suspect that if you change the battery in the thermostat. All will be right again.

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