Luxpro thermostat flashing snowflake

The EM Heat or emergency heat setting on a thermostat is to control the secondary heating system in your house in case of emergencies. If the main heating system stops working for any reason, and the house goes too cold, the emergency heating system will turn on. Generally, a heat pump or primary heating system will control the heat in most ...

What Does the Snowflake Mean on AC? A flashing snowflake might mean the same thing as the COOL ON message – the system is going through a 5-minute delay and will soon come back to normal operation. The actual symbol usually gets displayed on the thermostat when the system is in cooling mode. Read: Benefits Of A Programmable …Insert the tool in to see how much it is covered in oil. If it comes out almost dry, you need to fill it up with oil. 6. Clean the Oil Hole. If you apply the oil right after checking the oil level, dirt and dust can clog the oil hole. Clean the oil hole first with a damp cloth and detergent before applying the oil.This thermostat is designed for use with 24 volt and millivolt systems. The thermostat should be limited to a maximum of 1.5 amps; higher current. may cause damage to the thermostat. If you are in doubt, call your HVAC. contractor. . Your thermostat is a precision instrument. Please handle it with care.If your Emerson thermostat flashes a snowflake icon, the HVAC system has gone into a time delay mode. This time delay mode is usually caused by short …There is a red flashing 'fan' or 'snowflake' at the top right corner. It flashes approx 10 - Answered by a verified HVAC Technician ... My Honeywell programmable 8120 thermostat has a red blinking snowflake on top right corner. I have a York infinity 8 heat pump, and the temp outside dropped to 2 yesterday.Thermostats typically show a flashing snowflake to indicate that it's in Delay Mode. This occurs when the system is short cycling - turning on and off too quickly. This can be harmful to the equipment, so the flashing snowflake typically signals that your system is delaying turning back on for a while. This typically lasts 5 minutes for ...

Watch this video to find out about the Nest Learning Thermostat, which programs itself and can be accessed from a smartphone, tablet or computer. Expert Advice On Improving Your Ho...The blinking snowflake means the thermostat is on cool, but it is not cooling. This delay mode should last about five minutes; if the problem persists, here is how to fix it. Check the heater's door and make sure it is securely closed. Heater doors have a safety trigger that allows the heater to run only if the trigger switch is depressed fully.They can sometimes get confused with the terminals marked "RC" and "RH.". You will find that if your thermostat has an RC terminal it will have an RH terminal as well, and vice versa. The RC terminal passes power to the cooling circuit for the air conditioners in your home. The RH terminal passes power to the heating circuit when there ...This thermostat offers highly accurate, fully programmable temperature control of single or multistage heating and cooling systems. The display is a large, hybrid dot-matrix electroluminescent display. It offers 4 periods per day, 7 day programming and smart recovery. The thermostat arrives with a default ENERGY STAR approved program.Contents hide 1 LUXPRO PSPLV512d Programmable Heating Thermostat 2 COMPATIBILITY 3 FEATURES 4 INSTALLATION 5 SETUP OPTIONS 6 FRONT PANEL ITEMS 6.1 OPERATING INSTRUCTIONS 6.2 ADVANCED FEATURES 7 PROGRAMMING 8 TECHNICAL ASSISTANCE 8.1 WARRANTY 9 REFERENCE: LUXPRO PSPLV512d …

A blinking snowflake on a Honeywell thermostat is mostly caused by activated delay mode or an activated saver switch (if you are subscribed to one). This issue can be fixed by simply waiting for the delay time to elapse which is typically about 5 minutes or switching the saver switch off, respectively. Also read: Honeywell thermostat blinking ...Oct 22, 2021 · A flashing snowflake icon on an Emerson thermostat may be a normal occurrence or may indicate a problem with your HVAC system. If your Emerson thermostat flashes a snowflake icon, the HVAC system has gone into a time delay mode. This time delay mode is usually caused by short cycling in the system. Airflow problems, faulty sensors, or ... On your thermostat's digital display, select heat mode. Press either the up or down arrow button and the word "SET" should appear. Then you should see the set temperature value flashing, which you can adjust with the up and down arrows in 1-degree increments. Once you've input your desired temperature, your thermostat will …If you want to know how to reset your Lux/Luxpro Thermostat, locate the reset button on your Luxpro Thermostat. It will appear as a small white button that has HW Reset, or R. Reset stamped on it. Press and then hold this Reset Button for approximately five seconds. You will see the screen start to blink and the thermostat will then reset itself.

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Small "snowflake icon is blinking and AC unit will not come on. I has shut off the power to all device sin order to let condensation evaporate (it was iced) and change a clogged filter. Now power is back on, furnace blower is operating, but exterior AC unit is not and I am getting this icon.Watch this video to find out about the Nest Learning Thermostat, which programs itself and can be accessed from a smartphone, tablet or computer. Expert Advice On Improving Your Ho...From https://www.justanswer.com/ythiJustAnswer Customer from San Antonio, TX: i have a luxpro pspa711a thermostat that is blinking FAN in cool modePearl Wils...If you want to know how to reset your Lux/Luxpro Thermostat, locate the reset button on your Luxpro Thermostat. It will appear as a small white button that has HW Reset, or R. Reset stamped on it. Press and then hold this Reset Button for approximately five seconds. You will see the screen start to blink and the thermostat will then reset itself.1. Strip wire insulation leaving only 3/8 in. (9.5mm) bare wire ends, and clean off any corrosion present. 2. Fill the wall opening with non-combustible insulation to prevent …Thermostats typically show a flashing snowflake to indicate that it’s in Delay Mode. This occurs when the system is short …

You can try this with the thermostat as well and have it successfully reset by power cycling it. In order to power cycle the thermostat, you have to remove the thermostat from the base and then also remove the batteries. Let the thermostat stay in this position for sometime (say around 15 seconds ). After this you can put the batteries again ...1. Locate the thermostat on an inside wall, about 5 ft. (1.5m) above the floor, and in a room that is. used often. 2. Do not install it where there are unusual heating conditions, such as: in direct. sunlight; near. a lamp, radio, television, radiator, register, or fireplace; near hot water pipes in a wall; near.Here are some steps you can take to troubleshoot and fix the blinking thermostat issue: Check the Air Filter: A dirty or clogged air filter can restrict airflow, causing the system to overheat and trigger short cycling. If the filter appears dirty, replace it with a new one. Inspect the Thermostat Wiring: Loose or damaged thermostat wiring can ...If the snowflake icon keeps blinking, reset your Rodgers thermostat. To do this, find the thermostat's power box behind or near it. Wait 10 seconds, then reconnect the power box. Resetting should fix your problem and remove the blinking snowflake icon. If resetting does not work, download the thermostat software and install it.This thermostat is designed for use with 24 volt and millivolt systems. The thermostat should be limited to a maximum of 1.5 amps; higher current. may cause damage to the thermostat. If you are in doubt, call your HVAC. contractor. . Your thermostat is a precision instrument. Please handle it with care.In your LUX thermostat, a blinking flame symbol is a common occurrence, and it simply indicates that the heating system is starting up or shutting down. You don't need to worry about this as it's a normal function of the thermostat in controlling your heating system. If you notice that the blinking flame symbol persists for an extended period ...The thermostat is showing stg.2 with a flashing flame icon. Can you advise what this means. ... 10,477 satisfied customers. I am replacing my luxpro psph521l with a p521u and i have. I am replacing my luxpro psph521l with a p521u and i have questions about where the red and black wires attach on the new controller(p521u).Push that button for 5 seconds and wait for the screen to start blinking. The thermostat will now restart. Set up the device and check if it is now working properly. Is …1. Mount the thermostat on an inside wall, about 5 ft. (1.5m) above the floor. 2. Do not locate the thermostat where air circulation is poor such as in a corner, alcove, or behind a door that is normally left open. 3. Do not locate the thermostat where unusual heating or cooling conditions may be present, such as: direct sunlight, above a lamp,Features. • 7 Day Programming – 4 Periods Per Day. • Easy Programming with Lux Speed Dial®. • Dual Power – System or Battery Powered with Battery Free Memory storage. • Programmable Filter Timer with Change Filter Indicator. • Temporary Override is CAT24 Compliant. • Vacation Override. • Adjustable 2 or 5 Minute A/C ...Max Run Time: 18h. Battery: 3.7V 2000mAh. Model: XP916. Pro Series 800 lumen LED rechargeable flashlight with TackGrip by LUXPRO. This rechargeable flashlight is compact, tactical, and illuminates 800 ultra-bright lumens. There are 4 modes: High, Medium, Low and Hidden Strobe. With innovative electronics, users can turn the light off with one ...

The only fix is to turn off the thermostat and reset poer to the furnace, turn stat back to cool and set. The snowflake is a delay to protect the compressor from short cycling so it locksout for 5 min. After reset, time the function...if it has not started after 5 minutes, the delay timer is bad and you will need a new thermostat

On my t'stat it means the HVAC is set in the cooling mode. Seann Posts: 32, Reputation: 1. Junior Member. Apr 28, 2011, 04:43 AM. Flashing snowflake on the stat is due to compressor protection time if which between 3-5 min,it's a feature to prevent compressor from being getting damaged.This thermostat offers highly accurate, fully programmable temperature control of single or multistage heating and cooling systems. The display is a large, hybrid dot-matrix electroluminescent display. It offers 4 periods per day, 7 day programming and smart recovery. The thermostat arrives with a default ENERGY STAR approved program.Honeywell Thermostats: A blinking snowflake or the word "heat/cool" blinking on a Honeywell thermostat indicates Delay Mode. The system should resume operation after 5 minutes. Emerson Thermostats: Emerson's thermostat enters lockout mode, preventing the compressor or heat element from cycling too quickly.Take the front of the thermostat off the wall and look for a small white round reset button on the right side labeled "H.W. Reset". Hold this button down for at least 5 seconds. The screen should fully populate temporarily. *If this does not correct the problem, proceed to a Software Reset. Software Reset: *These steps will erase your ...The snowflake symbol is displayed (not flashing) when the SYSTEM switch is in the COOL position. The snowflake and flame symbols are displayed (flashing) when the thermostat is in lockout mode to prevent the compressor from overspeeding. In addition to the previous points, what does a flashing flame on a thermostat mean? The flashing or ...The thermostat's lockout feature is trying to prevent the compressor from cycling too quickly. The snowflake should last for about five minutes. If it persists, here is how to fix it. -Ensure the heater's door is securely closed. -Make sure the heater's power supply is connected, and it is on.1. In most thermostats, a flashing snowflake symbol indicates that the device is in cool mode and waiting for the temperature to drop before turning on the air conditioning. 2. The flashing snowflake can sometimes be an indication of an error or malfunction in the thermostat’s cooling system.Place the System Mode switch in the OFF position, and the Set Slide switch in the RUN position. Press and hold the NEXT and HOLD buttons together for at least 10 seconds. The screen will start flashing, and display words "SET", "STOP" and "LOCK CODE", along with the new code of "00".

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GM has issued a technical service bulletin #09-01-38-004: INFORMATION FOR VEHICLES WITH HVAC CONTROL MODULE A/C AND RECIRCULATION INDICATORS FLASHING. The bulletin applies to the following vehicles: 2008-2010 Buick Enclave 2007-2010 Cadillac Escalade Models 2007-2010 Chevrolet Avalanche, Silverado, Suburban, Tahoe 2009-2010 Chevrolet ...On my t'stat it means the HVAC is set in the cooling mode. Seann Posts: 32, Reputation: 1. Junior Member. Apr 28, 2011, 04:43 AM. Flashing snowflake on the stat is due to compressor protection time if which between 3-5 min,it's a feature to prevent compressor from being getting damaged.A deluxe, touch screen feature rich thermostat - easy to customize settings. • All-in-one programmable / non programmable. • Universal heat pump and conventional heat/cool. • Dual power. • 5 year warranty. • Adjustable 2nd stage heat offset. Compatible With: • Universal compatibility for conventional heat & A/C. • Universal ...Your PSPA711a is compatible with most 24-volt: 1-Heat / 1-Cool Gas, Oil, or Electric Heating and/or Cooling systems, including single-stage heat pumps. It cannot be used with 120-volt heating systems or 3-wire zone valves. Ask your dealer for other LUXPRO® thermostats to control those systems. FEATURESHere's how to perform a hardware reset on a LuxPRO thermostat: Remove the front part of the thermostat from the wall. Check the right side of the thermostat to find the reset button (a white circle button usually labeled "H.W. Reset"). Press and hold the button for about 5 seconds. This will reset your thermostat.Drill a 3/16 in. (4.8mm) hole at each screw, and insert the plastic anchors provided. Hold the base against the wall. Route the wires through the hole below the terminal block. Position the base for best appearance (to hide any marks from an old thermostat). Attach the base to the wall with the two screws provided.Please save these instructions for future reference. † The single-stage PSD011BFc thermostat can be used with: most 24 volt, single stage heating systems, with or without a blower fan. † This thermostat cannot be used to control: cooling systems, heat pumps, 3-wire zone valves, or 120/240 volt (line voltage) systems.Why the Snowflake Is Blinking on Your Thermostat. A blinking snowflake light means the thermostat is in the cooling cycle but on standby since the required temperature has been reached. This is a protective measure for the system not to overworking itself and damage the compressor, fan or other critical cooling system parts. ...SET DAY AND TIME: Place the System Mode switch into the OFF position. 1.Press the SET button one time and the backlight will illuminate; 2. Press the SET button again and the room temperature will disappear from the screen and the day icon will flash. With the day flashing. 3. Press UP or DOWN to adjust the day of the week shown on the screen. 4. ….

Honeywell makes some of the most dependable and popular options for thermostats on the market.Ranging from basic models to smart thermostats, Honeywell has a plethora of offerings that their customers have been using for years.If there’s a flashing snowflake on your Honeywell thermostat, it is in delay mode to prevent short …The Best Snake Humidifiers of 2023. 1. Large Water Tank: Coospider Reptile Humidifier. SEE PRICE. The Coospider Reptile Humidifier is a cool mist humidifier that is specially designed for reptile terrariums. It leverages highly efficient ultrasonic atomization technology to maintain ideal moisture levels in the air.3. Separate new thermostat housing using your thumb and index finger. Provide pressure in opposite directions to the release tabs on the top of the housing, in the directions shown in the diagram shown above. 4. Route the wires through the opening in the new thermostat base plate, and hold the base against the wall.The display is flashing the word HEAT or COOL but no air is coming out of the vents or the air is not the right temperature. When the word HEAT or COOL flashes it indicates that the thermostat is telling the heating or cooling system to run. If the heating or cooling system is not running then there most likely is a problem within the system.Contents hide 1 Luxpro P721UTa Smart Thermostat 2 CAUTIONS AND WARNINGS 3 SYSTEM COMPATIBILITY 4 FEATURES 4.1 TOOLS YOU MAY NEED 4.2 MOUNTING LOCATION 5 REMOVE OLD THERMOSTAT 6 INSTALL THERMOSTAT BASE 6.1 WIRING INFORMATION 7 HARDWARE SETUP OPTIONS 7.1 GAS / ELEC SLIDE SWITCH (FAN OPERATION) 8 COMPLETE THE INSTALL 9 FRONT PANEL ITEMS […]Honeywell makes some of the most dependable and popular options for thermostats on the market.Ranging from basic models to smart thermostats, Honeywell has a plethora of offerings that their customers have been using for years.If there’s a flashing snowflake on your Honeywell thermostat, it is in delay mode to prevent short …Just trying to figure out how to change the battery of the psp511 thermostat, Luxpro, Nothing yet! Wasn't even sure if - Answered by a verified HVAC Technician ... When I try to adjust the temperature with the up/down button all I get is a flashing OFF sign ... my lux pro psp511 is set for 70 degrees. The temp inside our home is now 82 and ...Contents hide 1 LUXPRO PSD011B Programmable Thermostat 2 Product Highlights 3 Product Features 4 Installation 5 SPECIFICATIONS 6 Reference LUXPRO PSD011B Programmable Thermostat Product Highlights Digital thermostat with a large easy-to-read display with backlight. Temperature control set from factory at a fixed value of +/- 0.5° F/C. Battery Powered Only version. Product Features 1 Stage […] Luxpro thermostat flashing snowflake, HVAC QuestionChanging the Thermostat.I currently have a Vivint V-SCT200 Thermostat.Here is the terminals that are hooked up. Y G RH C WI would like to replace my Thermostat with a Honeywell CT3200A100 … read more, In your LUX thermostat, a blinking flame symbol is a common occurrence, and it simply indicates that the heating system is starting up or shutting down. You don't need to worry about this as it's a normal function of the thermostat in controlling your heating system. If you notice that the blinking flame symbol persists for an extended period ..., A deluxe, touch screen feature rich thermostat – easy to customize settings. • All-in-one programmable / non programmable. • Universal heat pump and conventional heat/cool. • Dual power. • 5 year warranty. • Adjustable 2nd stage heat offset. Compatible With: • Universal compatibility for conventional heat & A/C. • Universal ..., The LuxPRO PSPA711 is a great thermostat. I had been looking at smarter thermostats such as the Honeywell Wifi, Nest or even Ecobee3. While these smarter thermostats do have the Fan Circ option I am looking for, they also have a lot of useless gadgets that inflate their price. The PSPA711 has a good amount of features and is reasonably priced., Set unit to heat mode. Adjust set temperature to at least 5 degrees below room temperature. Then adjust set temperature upward one degree at a time. Listen carefully for a soft click from the thermostat. This click should be heard near room temperature. Adjust set temperature down one degree at a time., When the cooling system is on, the snowflake icon will be illuminated, and the temperature on the thermostat will decrease until it reaches the desired temperature. Flashing Snowflake Icon. If you see a flashing snowflake icon on your Honeywell thermostat, it can indicate that the thermostat is in cooling mode, but the delay mode is active., The LuxPro's humidistat is accurate to +-4 percent. It would be better if it would be tighter but this is the most accurate humidistat that I found, most manufacturers don't even state the humidistat accuracy and the one thermostat with similar features that I bought had a humidistat that was off by at least 20% making it useless for ..., 1) Restart the Thermostat. The easiest way to troubleshoot the thermostat would be to restart the thermostat. This is extremely simple and won’t require you to take off it’s batteries or something similar. You will find the button for restarting the device underneath the screen on the body itself. Simply click on the power button here., The words "TEMP STOP" and "LOCK CODE" will appear on the screen, along with two digits. Use the UP/DOWN buttons to enter the current code ("00" by default) and press the NEXT button one time. The word "SET" will now be displayed. Use the UP/DOWN buttons to choose a new 2-digit code between "00" and "99"., Emerson Thermostat Blinking Snowflake [Solved] Honeywell hz311 troubleshooting Red Light [SOLVED] Amazon Thermostat Blowing Hot Air On Cool [Fixed] Page navigation. Previous Page, On replacement installations, mount the new thermostat in place of the. old one unless the conditions listed below suggest otherwise. On new. installations, follow the guidelines listed below. . Remember that your PSD111 may be mounted vertically or horizontally. when determining the optimal location., The fix. If your thermostat is flashing cool on, wait for 5 minutes until the delay is over. Usually the thermostat delay should not take more than 5 minutes. However, if your thermostat is not blowing cold air after the delay period, there could be issues causing this problem. Let's go to the next step to find out more., List of available manuals, guides and instructions for LUX TX500Uc Smart Temp programmable or non-programmable thermostat. Installation and Operating Instructions. LUX TX500Uc Installation and Operating Instructions Language: English Pages: 32. Similar Models. LUX CAG1500. LUX CH200SA. LUX CH400SA. LUX CS1. LUX DHP2110. LUX DHP2120., When you power Eco up, you must connect to Eco App to set time and date in the thermostat. The red ring light indicates, that time and date hasn't been set. If you would like to use Eco without an App, and simply let it control the temperature in manual mode, then don't worry, the light will stop flashing after 5 minutes., In a matter of minutes, the air should kick on and the snowflake will remain solid. If the blinking does not stop, the next step is to switch the dial to “off.”. Perhaps the thermostat did not properly relay to the HVAC system. By moving the switch to “off” and then back to “cool,” you can start the system up again., Contents hide 1 LuxPRO PSP511LC Thermostat 2 Product Highlights 3 Product Features 4 Installation 5 SPECIFICATIONS 6 Reference LuxPRO PSP511LC Thermostat Product Highlights Programmable Dual powered: system or battery Pre-programed adjustable settings 5 year warranty Product Features Easy installation Programmable 5/2-day Easy-view back light Optional wall plate model# WP511C Keypad lockout ..., Max Run Time: 18h. Battery: 3.7V 2000mAh. Model: XP916. Pro Series 800 lumen LED rechargeable flashlight with TackGrip by LUXPRO. This rechargeable flashlight is compact, tactical, and illuminates 800 ultra-bright lumens. There are 4 modes: High, Medium, Low and Hidden Strobe. With innovative electronics, users can turn the light off with one ..., The thermostat should be limited to a. maximum of 1.5 amps; higher amperage may cause. damage to the thermostat. • Do not short (jumper) across electric terminals at. control on furnace or air conditioner to test the system. This will damage the thermostat and void your warranty. • 12/24 Hr Clock Display., Thermostat Lux Products LuxPro Smart Temp P621U Installation And Operating Instructions Manual Universal 5/1/1-day programmable thermostat (for both conventional and heat pump systems) (33 pages) Thermostat Lux Products LUXPRO PSPHA732 Series Installation And Operating Instructions Manual, Snowflake Inc. (SNow) has been hot but may be on the cusp of cooling down as earnings near, writes technical analyst Bruce Kamich, who says the shares of the data platform provider..., Adjust set temperature to at least 5 degrees below room temperature. Then adjust set temperature upward one degree at a time. Listen carefully for a soft click from the thermostat. This click should be heard near room temperature. Heats or cools more than 5 degrees past its displayed set temperature., EDIT: According to this manual for your thermostat That looks like the "Fan" icon. According to that manual on page 4 it says: "The COOL ON, HEAT ON or icon will display when the COOL, HEAT, or (fan) is on. Note: The Compressor delay feature is active if these are flashing.", What does the flashing snowflake mean? This icon indicates that your humidifier is cooling down. See your user guide for a detailed list of icons and their descriptions. The information on this site is not a substitute for professional medical advice. Please consult your healthcare professional for any medical related advice, or your ResMed ..., LUXPRO thermostats requiring batteries. BE SURE TO CHANGE THE BATTERIES AT LEAST ONCE A YEAR, or whenever you see the LO BATT indication on the screen. Failure to follow these battery instructions could result in property damage and/or personal injury. • The electrical rating for this thermostat is 1.5 Amps per terminal, with a, Find helpful customer reviews and review ratings for LuxPRO PSP711TS Touch Screen 7-Day Deluxe Programmable Thermostat at Amazon.com. Read honest and unbiased product reviews from our users. ... I purchased the "Lux Pro" PSP711TS, But I received the TS9000 but thanks to the ultra helpful staff at Lux, they returned my call and explained the ..., The low battery indicator is displayed when the AA battery power is low. If the user fails to replace the battery within. 21 days, the thermostat display will only show the low battery indicator as a final warning before the thermostat becomes inoperable. The batteries are located on the back of the thermostat., The LuxPro PSD010B is a digital wire thermostat that is often used to regulate the heating and cooling systems in homes and businesses.Here are some of its main attributes and applications: Temperature Control: You may set and modify the preferred temperature for your area with the PSD010B.It may be used to manage a variety of heating and ..., 1. Wait For 10 Minutes. Before you decide to fix the Honeywell thermostat cool-on flashing error, you must wait for about 5 to 10 minutes. As there is a good chance that your thermostat is going through a restart or running some checks. Or it might be facing a slight delay or using the compressor protection feature., The Honeywell thermostat was blinking saving, wh ... My LUXPRO Thermostat (psd1111) will not stay on the desired cooling setting of 70 t0 72 degrees. It wants to jump up to 77 or 78. When I run it back down to 70 it goes back to 77 or 78 again in a few ..., Check for a locked sign on the screen. Tap on the icon to see "Unlock Keyboard". Select 'Ok' and press the up and down arrows to enter your lock code. Tap 'Ok' when you are done. You can also reset the thermostat if you don't remember your lock code. Your Luxpro thermostat will be unlocked when it is back on., When you power Eco up, you must connect to Eco App to set time and date in the thermostat. The red ring light indicates, that time and date hasn't been set. If you would like to use Eco without an App, and simply let it control the temperature in manual mode, then don't worry, the light will stop flashing after 5 minutes., Your thermostat is a precision instrument. Please handle it with care. The TX9000TS can be used with most 24 volt gas, oil or electric heating and air conditioning systems, single stage heat pumps or gas millivolt heating systems. It cannot be used with 3 wire zone valves, 120V systems, or multistage systems., Indicator Symbols for Frost Warning or Snow Mode This symbol can be used in two different ways. When the outside temperature drops to within a few degrees of freezing (approximately 40°F), the snowflake or ice crystal symbol will flash in yellow/amber as a Frost or Freeze warning indicator. The symbol may turn red at freezing or below zero ...