Troubleshooting
If you have difficulty with your thermostat, try these suggestions. Most problems
can be corrected quickly and easily.
Screen is blank
Screen is
difficult to
read
Red light is on
Heating or
cooling system
does not
respond
Warranty information
Honeywell warrants this product, to be free from defects in the workmanship or materials, under normal use and service,
for a period of five (5) years from the date of purchase by the consumer. If at any time during the warranty period the
product is determined to be defective or malfunctions, Honeywell shall repair or replace it (at Honeywell's option).
If the product is defective,
(i) return it, with a bill of sale or other dated proof of purchase, to the place from which you purchased it; or
(ii) call Honeywell Customer Care at 1-800-468-1502. Customer Care will make the determination whether the product
should be returned to the following address: Honeywell Return Goods, Dock 4 MN10-3860, 1985 Douglas Dr. N., Golden
Valley, MN 55422, or whether a replacement product can be sent to you.
This warranty does not cover removal or reinstallation costs. This warranty shall not apply if it is shown by Honeywell
that the defect or malfunction was caused by damage which occurred while the product was in the possession of a
consumer.
Honeywell's sole responsibility shall be to repair or replace the product within the terms stated above. HONEYWELL
SHALL NOT BE LIABLE FOR ANY LOSS OR DAMAGE OF ANY KIND, INCLUDING ANY INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTING, DIRECTLY OR INDIRECTLY, FROM ANY BREACH OF ANY WARRANTY,
EXPRESS OR IMPLIED, OR ANY OTHER FAILURE OF THIS PRODUCT. Some states do not allow the exclusion or
limitation of incidental or consequential damages, so this limitation may not apply to you.
THIS WARRANTY IS THE ONLY EXPRESS WARRANTY HONEYWELL MAKES ON THIS PRODUCT. THE DURATION OF
ANY IMPLIED WARRANTIES, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE, IS HEREBY LIMITED TO THE FIVE-YEAR DURATION OF THIS WARRANTY.
Some states do not allow limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may have other rights which vary from state to state.
If you have any questions concerning this warranty, please write Honeywell Customer Relations, 1985 Douglas Dr,
Golden Valley, MN 55422 or call 1-800-468-1502.
69-2761EFS—09
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating and cooling system is on.
• Make sure furnace door is closed securely.
• If thermostat is battery powered, make sure fresh AA alkaline
batteries are installed correctly (see page 16).
• Change screen brightness using Preferences menu (see page
13).
• If thermostat is in Emergency Heat mode, the red light is normal. It
shows that the thermostat is in Emergency Heat mode.
• If thermostat is not in Emergency Heat mode, an alert is active.
Check message on the thermostat screen.
• Touch
SYSTEM
to set system to Heat. Make sure the temperature is
set higher than the Inside temperature.
• Touch
SYSTEM
to set system to Cool. Make sure the temperature is
set
lower than the Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
• If "Wait" is displayed, the compressor protection timer is on. Wait
5 minutes for the system to restart safely, without damaging the
compressor.
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