Frequently Asked Questions And Answers; Faqs - American Standard ACONT900AC43UA Owner's Manual

FREQUENTLY ASKED QUESTIONS AND ANSWERS

Q: Some or all keys on the display do not work; why?
A: Comfort Control screen is locked. See "Advanced Settings" on page 34 to unlock keys on the
screen.
Q: Comfort Control is asking for heating or cooling to come on (screen shows "Heat On" or "Cool
On" in display) but there is no heating or cooling running.
A: Call your local heating and/or cooling contractor to check your heating and/or cooling system.
Q: Under the Fan on the screen, Auto and On or Auto and Circ are shown. What does this mean?
A: The Fan is programmed for either On or Circulate. See "Fan Schedule" on page 19 for more
information.
Q: Why doesn't the Comfort Control respond when I touch the keys?
A: Check to determine if the screen is in the Locked or Clean mode. See "Screen Locked" on
page 24 or "Cleaning Your Comfort Control Screen" on page 21.
Q: The fan is set to On but is not running; why?
A: The The American Standard Proprietary Humidity Control disables continuous fan mode when
the indoor humidity is above the dehumidification setpoint. See "American Standard Proprietary
Humidity Control" on page 28 for additional information.
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