388
Register Online for
Remote Access and
Outdoor
Temperature
Online registration is required for remote
access and outdoor temperature. Download the
Honeywell Home app to register your
thermostat.
399 No Internet
The connection to the Internet has been lost.
Please check your network settings.
400 No Wi-Fi Signal
The Wi-Fi signal has been lost. Please wait for
the thermostat to reconnect or select a new Wi-
Fi network. Follow steps in the Honeywell
Home app
508
Wi-Fi Not
Configured
Please download the Honeywell Home app and
follow the steps to connect thermostat to your
Wi-Fi network.
CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.
CAUTION: EQUIPMENT DAMAGE HAZARD
Compressor protection is bypassed during testing. To prevent equipment damage, avoid cycling the compressor
quickly.
CAUTION: MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash.
Contact your local waste management authority for instructions regarding recycling and proper disposal.
Specifications
Temperature Ranges
Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C)
Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C)
Operating Ambient Temperature
37 °F to 102 °F (2.8 °C to 38.9 °C)
To Next Page
Loading...
Need help?
General
