Snowflake icon( ) is displayed (non-flashing) when the SYSTEM switch is in the COOL position. Snowflake and Flame icons will be displayed (flashing) if the thermostat is in lockout mode to prevent the compressor from cycling too quickly.
What does a flashing snowflake mean on an Emerson thermostat?
Emerson provides a thorough, 8-page manual on their thermostat. According to it, if your thermostat has a blinking/flashing snowflake or flame, your furnace or air conditioner has been put in lockout mode to stop your compressor from cycling too quickly. It will stay in lockout mode for 5 minutes.
What does it mean when the snowflake is blinking?
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.
Press and hold the Up or Down arrow and press the light button. Hold this for a few seconds. The display will go blank briefly. Once the display reappears, your thermostat has been reset.
What does it mean when thermostat blinks?
If you see a flashing light on your thermostat, that’s a signal that there’s a problem with your outdoor unit. When this happens, your outdoor unit will shut off and send a signal to your thermostat, causing it to blink. Thing is, that signal doesn’t mean your indoor unit is made aware of the problem.
How do I get my thermostat out of lockout mode?
If you don’t know the keypad lockout code, you can force the thermostat to open by touching the “Menu” button and holding your finger there for 20 seconds. The “Menu” button will disappear when you first touch it. When the thermostat unlocks, keep your finger in the same location.
How do I unlock my Emerson thermostat?
To unlock the Emerson thermostat, press the MENU key on the thermostat. From the settings menu displayed on the screen, use the navigation keys to select the thermostat lock option. You will see the UNLOCK option in the lower right side of the display.
Why is my thermostat in delay mode?
A delay is used to protect your heating and cooling equipment from coming on too quickly (known as short cycling), which can cause damage. The thermostat has a built-in compressor protection (minimum off timer) that prevents the compressor from restarting too early after a shutdown.
How do you manually reset a thermostat?
Here are the step-by-step reset instructions:
- Turn your thermostat off by switching it to the off position.
- Find the breaker that powers your HVAC system and turn it off.
- Wait 30 seconds and turn the breaker back on.
- Turn your thermostat back on.
What is hold on Emerson thermostat?
By pressing Hold, your thermostat will lock in the temperature it’s currently at until you change it again. When you are ready for your normal schedule to resume, simply press the Run button and return to your typical programming.
How do I reset my Emerson Blue thermostat?
To reset, the System Switch must be in Cool or Heat. Simultaneously press and buttons for approximately 10 seconds until the display goes blank. If the thermostat has power, has been reset and still does not function correctly contact your heating/cooling service person or place of purchase.
How do I reset my thermostat after changing the battery?
Factory Reset the Thermostat
- Ensure that your thermostat is turned off.
- Open the door of the battery compartment.
- Now take out the batteries.
- Put the batteries back on in reverse to the indicated polarity by the markings in the battery holder.
- Allow the batteries to stay this way for about five seconds.
What does lockout mean on a thermostat?
If the furnace is unable to achieve ignition for a call for heat, or if an unsafe condition is detected, the furnace will enter what is called lockout mode.
What is lockout mode on a thermostat?
One of the features of White Rodgers thermostats is a keypad lockout which prevents unwanted use of the thermostat. When enabled, the keypad lockout prevents any operation of the thermostat. To use the thermostat again, a user must unlock the device.
How do I reset my Emerson smart thermostat?
Remove the two AA batteries and wait until the display screen goes blank. Reinsert the batteries and place the face plate back on the wall. You should hear the face plate snap in place on the sub-base connected to the wall. After one minute, the thermostat should reset.
What to do if thermostat is not working?
If the thermostat is still unresponsive, make sure the breaker is shut off and remove the cover. If it looks dirty inside, use canned air or a soft artist brush to clean away accumulated grime that may be affecting its functionality. Then look for issues like loose wiring or terminal screws and tighten them up.
What does wait permanent hold mean on thermostat?
Permanent Holds allow you to maintain the thermostat at one temperature setting. You can keep the thermostat at one temperature setting until the next scheduled period (Wake, Leave, Return, or Sleep), if you have a Temporary Hold.
What color is the C wire on a thermostat?
blue wire
The blue wire on the thermostat is the Common or C wire.
Will low batteries affect thermostat?
When low batteries eventually die, you’ll see a black display screen, the thermostat will stop working and your heating or cooling units won’t function. The heating and cooling system cannot respond to nonexistent temperature commands.
When should I reset my thermostat?
Anytime you suspect an issue with your HVAC system, resetting the thermostat should be your first course of action. Like personal electronics such as tablets and phones, sometimes these devices need a reset.
An AC’s reset button is typically red and visible, so it should be easy to spot. If you don’t see a reset button on the outside, it could be located inside the unit behind the service panel. Before poking around inside the machinery, be sure to cut power to the system by flipping off your circuit breaker.
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