Honeywell Home T6 Serie Guide D'installation page 19

Troubleshooting
Screen is blank
Screen is difficult
to read
Heating or
cooling system
does not respond
Heat runs with
cooling
Alerts and reminders
Alerts and reminders are displayed via the alert symbol and alert number in the clock
area on the home screen. You can read more information about active alerts, snooze
or dismiss non-critical alerts in Menu/Alerts.
Number Alert/Reminder
164 Heat Pump Needs
Service
168 Wi-Fi Radio Error
170 Internal Memory Error
171 Set the Date and Time
173 Thermostat
Temperature Sensor
Error
175 AC Power Resumed
177 Indoor Temperature
Sensor Error
178 Outdoor Temperature
Sensor Error
• 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.
• Change screen brightness in thermostat Menu. Increase brightness intensity for
inactive backlight of the thermostat screen (max. is level 5).
• Touch Mode to set system to Heat. Make sure the temperature is set higher than
the Inside temperature.
• Touch Mode 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.
• Verify there is not a wire attached to W for heat pump systems. See wiring on
pages 6-7.
Definition
Heat pump needs service. Contact dealer to diagnose
and service heat pump.
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.
The memory of the thermostat has encountered an
error. Please contact dealer for assistance.
Set the date and time on your thermostat. The date and
time are required for certain features to operate, like the
program schedule.
The sensor of the thermostat has encountered an error.
Please contact dealer to replace the Thermostat.
AC power resumed to thermostat after power loss.
Wired indoor temperature sensor is not connected
or there is a wiring short. Please contact dealer for
assistance.
Wired outdoor temperature sensor is not connected
or there is a wiring short. Please contact dealer for
assistance.
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