Troubleshooting - Jackson Systems Comfort System T-21-P User Manual

TROUBLESHOOTING

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Heating or cooling
- Check HVAC circuit breaker and reset if necessary.
- Make sure power switch at HVAC system is on.
- If thermostat is battery powered only, replace batteries.
- Touch MODE to set system to Heat or Cool. Set the heating does not respond temperature a
few degrees above the space temperature or the cooling temperature a few degrees below the
space temperature. Heat or Cool should flash confirming that the thermostat is calling.
- The thermostat has a 4 minute equipment time delay for cooling and heat pump systems. Wait 4
minutes for the system to restart.
- Contact your installing HVAC contractor if T-21-P does not function properly.
5418 Elmwood Avenue, Indianapolis, IN 46203-6025
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