Troubleshooting - Honeywell RTH2300 Series Quick Installation Manual

Advanced Installation Guide
If you have difficulty with your thermostat, please try the
following suggestions. Most problems can be corrected
quickly and easily.
Display is blank • Make sure furnace door is closed
Heating or
cooling system
does not
respond
69-2728ES—02
69-2728ES_A.indd 22

Troubleshooting

• Make sure fresh AAA alkaline
• Set System switch to Heat. Make
• Set System switch to Cool. Make
• Check circuit breaker and reset if
• Make sure heating & cooling power
• Make sure furnace door is securely
• Wait 5 minutes for the system to
securely.
batteries are correctly installed
(see page 7).
sure the temperature is set higher
than the Inside temperature.
sure the temperature is set lower
than the Inside temperature.
necessary.
switches are on.
closed.
respond.
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5/6/2012 12:06:41 PM