Download  Print this page

Troubleshooting - Honeywell TH8321 Product Data

Smart thermostat
Hide thumbs

Advertisement

Table of Contents
VISIONPRO® 8000 SMART THERMOSTAT

TROUBLESHOOTING

Symptom
Screen is blank
• 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.
Screen is
• Change screen brightness using Preferences menu.
difficult to read
Red light is on
• 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.
Heating or
• Touch SYSTEM to set system to Heat. Make sure the temperature is set higher than the Inside
cooling system
temperature.
does not
• Touch SYSTEM to set system to Cool. Make sure the temperature is set lower than the Inside
respond
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.
33-00096—04
Table 10. Troubleshooting.
Action
90

Hide quick links:

Advertisement

Table of Contents
loading

  Related Manuals for Honeywell TH8321

This manual is also suitable for:

Visionpro 8000 series