4
For assistance with this product, please
visit yourhome.honeywell.com.
Or call Honeywell Customer Care toll-
free at 1-800-468-1502.
Need Help?
Turn thermostat
over to find model
number and date
code.
Pull at bottom
to remove
thermostat
from
wallplate.
CAUTION
Equipment damage hazard
To prevent possible compressor damage, do not operate cooling
system when outdoor temperature is below 50°F (10°C).
Temperature
settings do
not change
Make sure heating and cooling temperatures are set to
acceptable ranges:
• Heat: 40° to 90°F (4.5° to 32°C).
• Cool: 50° to 99°F (10° to 37°C).
“Cool On” or
“Heat On” is
flashing
• Compressor protection feature is engaged. Wait 5
minutes for the system to restart safely, without damage
to the compressor (see page 4).
“Heat On” is
not displayed
• Set the System switch to Heat, and set the temperature
level above the current room temperature (see page 3).
“Cool On” is
not displayed
• Set the System switch to Cool, and set the temperature
level below the current room temperature (see page 3).
Troubleshooting
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