Honeywell T6 Pro Installation Guide

Number Alert/Reminder Definition
164
Heat Pump Needs
Service
Heat pump needs service. Contact dealer to
diagnose and service heat pump.
168 Wi-Fi Radio Error
Wireless features are not available. Try
removing the thermostat from the wallplate or
power cycle at breaker for 1 minute. If the code
is still shown, please contact dealer to replace
the thermostat.
170
Internal Memory
Error
The memory of the thermostat has encountered
an error. Please contact dealer for assistance.
171
Set the Date and
Time
Set the date and time on your thermostat. The
date and time are required for certain features
to operate, like the program schedule.
173
Thermostat
Temperature Sensor
Error
The sensor of the thermostat has encountered
an error. Please contact dealer to replace the
Thermostat.
175 AC Power Resumed
AC power resumed to thermostat after power
loss.
177
Indoor Temperature
Sensor Error
Wired indoor temperature sensor is not
connected or there is a wiring short. Please
contact dealer for assistance.
178
Outdoor
Temperature Sensor
Error
Wired outdoor temperature sensor is not
connected or there is a wiring short. Please
contact dealer for assistance.

Honeywell T6 Pro Specifications

General

Display	Touchscreen
Energy Star Certified	Yes
Power Source	Battery or Hardwired
Operating Modes	Heat, Cool, Auto, Off
Geofencing	Yes
Compatibility	Works with most HVAC systems
Fan Modes	Auto, On, Circulate
Remote Access	Yes
Energy Saving Features	Smart Response Technology
Connectivity	Wi-Fi
Warranty	5-year limited warranty