In Case Of Difficulty - Honeywell RTH6300B Installation Manual

Installation Guide

In case of difficulty

If you have difficulty with your thermostat, please try the suggestions below. Most
problems can be corrected quickly and easily.
Display is blank • Make sure fresh AA alkaline batteries are properly installed (see page 14).
Temperature Make sure heating and cooling temperatures are set to acceptable ranges:
settings do not
• Heat: 40° to 90°F (4.5° to 32°C).
change
• Cool: 50° to 99°F (10° to 37°C).
Cannot change • Check Function 1: System Type to make sure it is set to match your
system setting
to Cool
Fan does not • Check Function 3: Heating Fan Control to make sure it is set to match
turn on when
heat is required
heating and cooling equipment (see page 17).
your heating equipment (see page 19).
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