What does it mean when your thermostat says Cool but not working?
If the “cool on” or the snowflake icon is flashing, the thermostat is in delay mode, which can take up to 5 minutes. This delay is to protect your equipment from short cycling. 3. If the thermostat indicates a call for cool, verify that the furnace door is securely closed and that the power switch on the furnace is set to On. 4.
What’s the best way to clean a thermostat?
These can coat the inside of the thermostat and cause the mechanical and electrical components to malfunction. To clean, use a soft brush, like a clean paintbrush, to gently brush the interior components. Compressed air is also useful in cleaning out the thermostat.
How does a dual control thermostat work?
In a dual-controlled unit, this switch will tilt one direction if it is hot and the other if it is cold, creating contact with the appropriate side to activate the heater or the cooler to turn on.
How can I tell if my thermostat is set correctly?
Check your box’s location, since placement in direct sunlight or in front of drafty windows and doors can greatly affect correct temperature regulation. Determine if the anticipator is set correctly. If you have a mechanical thermostat, check for a little metal tab that is mounted to a round dial on the inside.
What to do if your heat pump is blowing cold air?
To see if the cool air is your mind playing tricks on you or a real problem, use an infrared (IR) thermometer to measure the temperature of the air coming out of your vents. If you don’t have an IR thermometer, simply watch your thermostat.
What to do when your thermostat says Cool but not working?
If the thermostat indicates a call for cool, verify that the furnace door is securely closed and that the power switch on the furnace is set to On. 4. Make sure the circuit breaker switches for the furnace are on.
These can coat the inside of the thermostat and cause the mechanical and electrical components to malfunction. To clean, use a soft brush, like a clean paintbrush, to gently brush the interior components. Compressed air is also useful in cleaning out the thermostat.
Check your box’s location, since placement in direct sunlight or in front of drafty windows and doors can greatly affect correct temperature regulation. Determine if the anticipator is set correctly. If you have a mechanical thermostat, check for a little metal tab that is mounted to a round dial on the inside.