P330 Series
570-212 15 69-2265EFS—01
ENGLISH
Troubleshooting
If you have difficulty with your thermostat, please try the following suggestions.
Display is blank • Checkcircuitbreakerandresetifnecessary.
• Makesurepowerswitchatheating&coolingsystemison.
• Makesurefurnacedoorisclosedsecurely.
• Ifthermostatisbatterypowered,makesurefreshAAalkaline
batteries are correctly installed (see page 14).
Heating or
cooling system
does not respond
• PressSYSTEM button to set system to Heat. Make sure the
temperature is set higher than the Inside temperature.
• PressSYSTEM button to set system to Cool. Make sure the
temperature is set lower than the Inside temperature.
• Checkcircuitbreakerandresetifnecessary.
• Makesurepowerswitchatheating&coolingsystemison.
• Makesurefurnacedoorisclosedsecurely.
• Wait5minutesforthesystemtorespond.