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Honeywell Thermostat Troubleshooting Guide Fix the Temper on YourTemperature Stat, Electronic Thermostats Honeywell Thermostat Cool On Flashing and Battery Check, Step 4 A Unit with a Short Fuse andHoneywell Thermostat Blank Screen. When choosing for a sleek-looking, top-notch home appliance, you trust the giants in the field to sell you ingenious devices that border on sci-fi territory. This light is normal for basic communicator operation. Well done on step by step debugging such as double checking the wiring on the electronics side and testing the blink code with the Arduino alone to isolate the issue. @(?d 9n One last question and this is the most important Are the arduino boards O.K? I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. If you do not get RX lock you have a faulty cable. Try replacing the batteries and see if that resolves the issue. Mail your payment to: Protection One PO Box 219044 Kansas City, MO 64121-9044 How do I change my bill due date? Who wouldnt want to avoid the expense of calling an outside specialist to deal with an internal problem? If you notice that your house is suddenly too hot or too cold, the temperature sensor on your thermostat might be malfunctioning. Number of Views 3.38K. The older models of thermostats are usually the analog kind displaying the minimal features. Use a thermometer to measure the air temperature in the room that houses your thermostat. The yellow purge light is flashing on my honeywell zoning system. Some Honeywell models also have a low battery notification, which will use a tone or the words "replace bat" when it's almost time to replace the batteries. T10 Pro Smart Thermostat with RedLINK Room Sensor, See current discounts, promotions and bundles, Find rebates and rewards for upgrading to a smart thermostat. So I created a diagram It's a little sloppy I just threw it together I don't have time right now to make a neat one, but the project ends whenever we get done with it so don't worry about time restraints. This page . To prevent damage to the thermostat, always press keys with your fingertip. From https://www.justanswer.com/ythi\rJustAnswer Customer: The yellow purge light is flashing on my honeywell zoning system.\rJustAnswer Customer: Can I reset it by pushing the boot button ?\rDouglas: HVAC Technician: Hi, I'm Douglas and I am here to help you resolve problems with your heating and cooling equipment.\rDouglas: HVAC Technician: This usually means the discharge air sensor is not attached or has failed on a honeywell zone system.\rDouglas: HVAC Technician: The purge light will flash but the system should still operate.\rDouglas: HVAC Technician: It just wont have any low temperature or high temperature limit capability.\rJustAnswer Customer: So replacing the discharge air sensor is the next step ?\rJustAnswer Customer: this honeywell universal minizone is hooked to a Carrier hvac\rDouglas: HVAC Technician: well you can check it to make sure it's not just a loose connection.\rDouglas: HVAC Technician: Do you have the MiniZone model number?\rDouglas: HVAC Technician: Is your system otherwise functioning?\rJustAnswer Customer: Cant see a model number,The out side unit is not coming on.\rJustAnswer Customer: inside fan is working ,just no cool air\rDouglas: HVAC Technician: so are the damper lights on or off (is there air going into the zones)?\rDouglas: HVAC Technician: Are the zoneds calling for cooling?\rJustAnswer Customer: Zone 1 and 2 are green and cool is green.\rJustAnswer Customer: air is moving upstairs and down just no cool air\rDouglas: HVAC Technician: is the cool LED lit (some models have this) on the zone panel?\rJustAnswer Customer: Yes the cool LED is on the zone panel.\rJustAnswer Customer: and it is green lit\rDouglas: HVAC Technician: Ok.\rDouglas: HVAC Technician: now we have to find out why the unit is not on outside.\rDouglas: HVAC Technician: The control board is calling for it to come on.\rDouglas: HVAC Technician: Do you have the cover off the zone panel?\rDouglas: HVAC Technician: Do you see a series of wires on the left hand side marked Equipment?\rJustAnswer Customer: yes\rDouglas: HVAC Technician: Ok.\rDouglas: HVAC Technician: for the purpose of testing.\rDouglas: HVAC Technician: do you see a yellow wire going into the Y1 terminal?\rDouglas: HVAC Technician: If so, lets move that wire (agin for testing) to the RC terminal along with the red wire and lets see if the outdoor unit comes on.\rDouglas: HVAC Technician: This will tell us if the zone controller board is the problem.\rDouglas: HVAC Technician: Its almost irrelevent, but do you see a two wire connection marked DATS on the right side?\rDouglas: HVAC Technician: Are there wires connected to it?\rDouglas: HVAC Technician: Do you have a volt meter by chance?\rDouglas: HVAC Technician: Also can you check the breaker for the AC unit outside to make sure it's not tripped?\rJustAnswer Customer: two wires on right side into wire connection marked XFMR .\rJustAnswer Customer: Yes I have a volt meter.\rJustAnswer Customer: checking breaker outside to see if its tripped\rDouglas: HVAC Technician: No xfmr is a transformer, that is not it.\rDouglas: HVAC Technician: Look for two marked DATS.\rDouglas: HVAC Technician: If you have a meter we can check to see if there is a call from the board to the unit.\rDouglas: HVAC Technician: If you put your meter on RC to Y1 you should sho no voltage.\rDouglas: HVAC Technician: If you place it on RC to W1, you may see something like 24volts AC.\rJustAnswer Customer: I have a brown wire running from Y1 to W1\rDouglas: HVAC Technician: OK then I assume you have a wire connected to either the O or B terminal.\rDouglas: HVAC Technician: this is a heat pump from what I can see.\rDouglas: HVAC Technician: Is the red wire going to RC or RH?\rDouglas: HVAC Technician: thats the one we want to use as a reference) RC(or RH) to B should have 0 Volts AC RC (or RH) to O should have 24 volts AC RC (or RH) to Y1 should have 24 volts AC Can you check those?\rJustAnswer Customer: That is with the yellow wire still hooked to RC red wire correct?\rDouglas: HVAC Technician: Oh, that was in lui of it.\rDouglas: HVAC Technician: with the yellow on the red is the outdoor unit running?\rJustAnswer Customer: No\rDouglas: HVAC Technician: Ok you can put the yellow wire back on Y1.\rDouglas: HVAC Technician: Your board is probably ok but your problem appears to be in the outdoor unit.\rDouglas: HVAC Technician: You can put the cover back on the zone panel.\rDouglas: HVAC Technician: I assume you checked the breaker (one in the main breaker panel).\rDouglas: HVAC Technician: If you are close to the air handler, see if there is a switch on it to turn it off (power it off).\rDouglas: HVAC Technician: If so lets turn that off and back on and see if that resets a control issue in the outdoor unit.\rJustAnswer Customer: Ok .\rJustAnswer Customer: a white wire came loose which one should it be hooked to W2 or E.\rJustAnswer Customer: I will put the yellow back to Y1. By subscribing I give my consent to receive AlarmGrid e-mails about Single-stage Programmable Thermostat Support, Pro 2000 Horizontal Programmable Thermostat Support, https://twitter.com/messages/compose?recipient_id=182916123, You can dismiss this alert by tapping on the Action button, which is located at the center of the touch-sensitive surface on top of Camera Base Station, When tapped, Camera Base Station may announce the issue at hand, or ask you to check our app on your phone for details. The update will start and the LED will be solid blue ( ) until the update is . RX solid green and TX flashing Modem RX locked on to Satellite but unable to transmit. Message us on Twitter for help with our products. The yellow light on a GSMX4G indicates that data is being transmitted. Your issue may be related to a system outage on one of our applications. One of the reasons could be because the interface is shutdown or the cable is faulty and no signal are being received on the interface. Learn how much a Wi-Fi Thermostat could save you on your energy bills. In this instance, a message reading "cool on" or "heat on" may be part of the blinking screen, as well. To this end, they all display different features in terms of accuracy, reliability, size, and more. Call the Homeowner number above and select the 'Contractor' option. Homeowner Support They come equipped with the basic three buttons for heating, cooling and turning off. Most Honeywell systems (even branded First Alerts panels) have the Auto Stay Arming feature . . Use one that prints something to the serial port. This requires a cellular communicator. Will fly for food. /~VbyKm6^-/>rPCV3/-5_~59{m8R6+[~y2^Ki}0 um}({/=h}`1f @ur5o Understandably, you wouldnt want to get to the point where youre operating Honeywell thermostat troubleshooting on and off. Homeowner Support I am a US resident over 18 years of age and agree to the Resideo Privacy Policy. However, before calling the serviceman, make sure youve tried all the easy fixes to treat the problem yourself. You should be able to see a series of colored wires within the thermostat box. Even if your system does pose problems not listed below, try these Honeywell thermostat troubleshooting tips first. You should also check the circuit breaker . SYSTEM MODE. First, be sure your thermostat is mounted on the level with the wall. But a blinking red LED light indicates the module is having trouble communicating. If it doesn't match the temperature displayed on the unit, the sensor is likely broken. I am a novice at this so my next question is would I have to change the code? While our tips may not fix every issue you will deal with, these tips certainly are the right steps to take in order to help guide you on what to do next. Copyright 2023 Resideo Technologies, Inc. Honeywell Home is a trademark of Honeywell International Inc. used under license to Resideo Technologies, Inc. Saturday and Sunday Signal strength is very important for proper operation. A trouble signal (sometimes indicated in the alarm history by the abbreviation TR) indicates a possible problem or difficulty with your security system, such as a loose wire, a poorly aligned sensor or a low battery status. I have barley used shift registers. Thermostats Security Air Quality Water Leak Detector Apps. Several red lights come on in my mind when I read this story. %^tyGgQ$} "sdCI\I.T)KGD`v8X("o70s#:b wZd[G Kgu}18&|.HR)UDZaSEMzhk"-tr=5Y b=5D^N0ks30[qkPyqu1*!.2J. We mention this again not all thermostats follow therules above so its safer to refer to the color code chart in your instruction manual before operating on the wiring hookups. Don't PM. Phone: 910-793-4181 Had a quick look at the Sparkfun example code (post#4). Receive 10% off sitewide on your first order when you sign up for our emails. Check the name or model number of your product to ensure it's correctly written in the search bar above. RX light level: RX dBm signal should be between -18 to -25 dBm. The red LED light shows when there is a communication fault with the network. Analog Honeywell thermostats may have additional, unique issues. Thermostats come in different models, so they might exhibit various calibration techniques. It is nothing to be concerned about, and you should continue to see this light whenever the Honeywell VISTA System is sending out a signal to AlarmNet360. 1-800-633-3991 I am working on a diagram right now I was stupid and let my group tape everything down before I got where each wire explicitly goes. Honeywell handheld computers exhibit no scan light or scan beam. Nine times out of ten, that just means you have to replace the battery, which shouldn't require much more than a new coin cell, a screwdriver, and a few minutes of your time. Copyright 2023 Resideo Technologies, Inc. Honeywell Home is a trademark of Honeywell International Inc. used under license to Resideo Technologies, Inc. The RX/TX pins of the main controller are directly connected, via 1k resistors, to some pins of the "communication controller". JustAnswer-Q&A 5.53K subscribers Subscribe 9 2.9K views 2 years ago From https://www.justanswer.com/ythi JustAnswer Customer: The. What do you think? Please consult the table below for more information: ON System is NOT registered with AlarmNet. stream Camera Base Station uses a variety of lights and sounds as a way to notify you about what's happening in and around your home. Loose the Mega. You will likely find that with a couple of lid flips, clicks, and disconnections, you may be able to save yourself the hassle of having a professional come out to take a look at your unit. Learn all about the TX-RX ILIA Linear Smoke Detector. Monday through Friday: 9am - 8pm CDT Use a level to verify that this switch is situated evenly. #2. TBS CROSSFIRE TX/RX V1.62 or higher TBS CORE PRO/FPVision V1.70 or higher TBS CORE PRO with SmartAudio (purchased after 07/2015) - for UNIFY PRO . The yellow light on a GSMX4G indicates that data is being transmitted. A fix could be as simple as closing the door of the furnace. Wilmington Office 109 Hinton Ave., Suite 12 Wilmington, NC 28403. Honeywell offers secure web based services that enable users to remotely monitor and control their security system. 9am to 6pm CDT Or the thermostat itself might be faulty. Whenever I turn the switch the arduinos won't power up, but when I power them separately they have those fast blinking lights which I have never encountered before. If you see your Honeywell thermostat blinking, that's a legitimate cause for concern but not as much as you'd think. Learn how much a Wi-Fi Thermostat could save you on your energy bills. Hydronic solutions . I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. And if you dont have any issues with your Honeywell thermostat yet, then knowing these tips can save you the stress of freaking out when something does go awry. A 12-15volt (regulated) supply, only for the display (LED anodes). Of course, the more options in a thermostat, the more can go wrong. . Dy,-@'YTr|Y| Ami9dAHTq;Xv5Y[Uj]/6[7nU5b'd Q[=H:28{#w6E[~ 4":L[XE;(C{s,9 0 rU $&Q1_$MbS]XR #dlu{l/bRR:%fpW&vnh;VRY:gQ-c%QR e m|YY5oe$3i4X *U,)y-PK(:ru restart tx and then rx blinking should go away If all else fails rebind and blinking will go away Jan 29, 2009, 09:19 PM #9; crow man. It has multiple tabs and is really long since it needs to go to 99 so I only attached 21-30. Phantom powering (powering the one that's off through the input pin protection diodes) can destroy the pin. It has been designed to give you. About the LINK LED. The last light is a green light that indicates signal strength. If all is fine, then the issue is either with the furnace or AC. No Contract Alarm Monitoring starting at $10 a month! If the light is solid, then it means that message transmission is pending. E Class Mark III Basic / Advanced - Red blinking fault light. Link Tx/Rx Activity: Blinking Green: Blinking Amber: Beaconing: Slow Blinking Amber: Slow Blinking Amber . What should we do to improve this article? Leo.. Worse for the Uno. Monday through Friday:9am to 8pm CDT I did use all the digital pins for the display, but used the analog pins for my inputs (setting the PIN_MODE appropriately of course ). FAST BLINK - Download session with Compass is in progress. Monday through Friday: 9am - 8pm CDT Leo.. <> Also, apart from being disengaged, your wires might suffer from a severe case of corrosion. yellow Swap RX and TX cables at both ends. Did we overlook something? Use your guiding manual for the test. If your thermostat doesn't match your findings, then the temperature sensor is probably malfunctioning. Check for any red led's on rear panel. 12volt regulated might be enough with these shift registers (lower losses). SLOW BLINK Registration is in progress (simultaneous with green LED). 9am to 5pm CDT. i tried doing some digging but I couldn't find anything. Read chapter 31 of the Atmega 2560 datasheet. If it is doing a quick periodic blink, the unit is in normal mode. % A pulsing yellow light when a firmware update is available A fluttering amber or red light when the system notices something abnormal and is trying to grab your attention You can dismiss this alert by tapping on the Action button, which is located at the center of the touch-sensitive surface on top of Camera Base Station What is the forward voltage of one segment of your display, or how many LEDs in series per segment. The Uno will be happier with <=12volt on the DC jack. I based what I did on an example sketch that came with the library. The rest of the code takes care of the shifting. If you're looking for a product that isn't a thermostat, try checking here. The top light is a green light that indicates whether or not the system is currently connected with AlarmNet. One reason the thermostat display might read blank its because the circuit breakers on your central air conditioner or furnace might have tripped. Saturday and Sunday: But I agree that a shift register driving the display would be better solution if you needed more pins for other things. Your thermostat is the control center for your HVAC system. Your outdoor unit is faulted either on a pressure switch lock out (if equipped) or there is a problem with the contactor or power to it. The shift register chips are powered from Arduino's 5volt pin, but only use a few milliamps. Others work via a touchscreen so there are no fiddly buttons of the yesteryear. LED LIGHT. Make sure your thermostat is indeed broken before you start snapping the wires loose and unplugging it from your furnace or AC unit. The program counts down from 60 and keeps track of score with a vex limit switch hooked up below the hoop. This wire provides power from the heating or cooling unit to the thermostat through low voltage. Learn how much a Wi-Fi Thermostat could save you on your energy bills. For more information, please visithttps://status.resideo.com/. And a small regulated 9volt supply for the Arduino (DC jack). A fix could be as simple as closing the door of the furnace. On the Redboard, the LED is directly connected to pin 13 (using resistor). I tried again and the arduinos shorted again but this time wouldn't turn back on. During the final stages of initialization, the Green REG LED lights solid while the Red FAULT LED lights solid on or flashes rapidly (if module not connected to the control panel ECP). You just need to defuse all that and reinstall the loose wiring. So the just aim at the issue at the hand with all the handyman weapons at your disposal and blast the trouble away. By creating an account you agree to the Hunker, Additional analog Honeywell thermostat issues, Additional digital Honeywell thermostat issues, How to Troubleshoot a White-Rodgers Thermostat, My Lux Thermostat Is Not Turning on My Furnace, All Things HVAC: Honeywell Thermostat Troubleshooting. 1-800-664-2751 What Does the Yellow Light Mean on a GSMX4G. AlarmNet Cellular Alarm Monitoring Communicator. Select the product youre having trouble with from the options below. While the newest generation of thermostats allows you total control from a distance via your smartphone, computer, or tablet. you can find details about these processes in theHoneywell programmable thermostat manual. Even if only 24 volts run through the thermostat, its always a good idea to turn off the main power supply when touching wires together. The thermostat conditions the indoor climate - the AC, the heat pump or the furnace - to generate the desired temperature. Some Honeywell devices feature keypads with digital displays. The Honeywell GSMV4G is a cellular communicator that allows a Honeywell VISTA Alarm System to connect with the AT&T 4G Network. %PDF-1.5 The green LED light shows the current status for the system. Already own a smart thermostat? The Honeywell GSMX4G is an example of a cellular communicator that can be added to a Honeywell VISTA Security System. If it is doing a slow blink, then there is abnormal idle power. ZWSTAT Z-WAVE THERMOSTAT. Yes, we do have a common ground and the power before I switched the wires was coming from 5v on the Mega to the Vin pin on the Uno. After the short the program would reboot like a restart.So after looking at the circuit for a while I moved two wires around. You have been a huge help! Is there anything I can try or do I need a technician? With the OPUS-RX, a flashing LINK LED can also indicate a poor HDMI connection. One last step to take in your Honeywell thermostat troubleshooting crusade before you throw your stat out the window is to verify the clock is set to the correct day and time. Your Honeywell thermostat provides a simple way for you to adjust the temperature in your home. Vin is before the onboard 5volt regulator. If your thermostat is acting up, check your units fuses. If you cant spot any wires connected to C, then the thermostat is powered by a battery. Just an intuitive flash, but before disassembling the device and pronouncing it irreversibly dead, you might want to check the room temperature on a thermometer. Open Hours: Thank you!!! Great news, our app is running normally without any reported issues. Normal LED Light Patterns On The Base. Copyright 2023 AllThingsHVAC. Wrong. Thermostats serve one purpose to set the indoor temperature. I may have chimed in a bit late, but I used my UNO with a 4 digit 7 segment display with no shift registers. . The red LED light shows when there is a communication fault with the network. This is a 4G communicator that offers fast and reliable connectivity with the Honeywell AlarmNet servers. It is nothing to be concerned about, and you should continue to see this light whenever the Honeywell VISTA System is sending out a signal to AlarmNet360. Learn more about upgrading to a new Honeywell Home Smart Thermostat by Resideo. If the red LED light is solid, then the system does not have contact with the network. Remove the baseplate and check before calling the manufacturer. Solid Green. All day (24 hours), Monday through Sunday. Warning Tip! The Uno would have had 4volt on the 5volt rail. Cordless scanner flashes and beeps but will not scan. Thank you for your input! The third light is a red light that is used to indicate connection troubles. An exta 100mA will overheat the regulator and the Mega will shut down (if you're lucky). Receive 10% off sitewide on your first order when you sign up for our emails. It doesn't use the regulator untill you run it on external power (DC jack). Douglas, HVAC Technician Category: HVAC Satisfied Customers: 3,131 Experience: Manufacture Rep for Major Brand, Technical Trainer, NATE But a blinking green LED light indicates the panel is downloading information from Compass (used with AlarmNet) or in the process of registering. The Red wire usually represents the 24-volt main power supply for the thermostat, White is for heat, Yellow is for cooling, Green is the indoor fan, while the C terminal stands for common ground. Hunker may earn compensation through affiliate links in this story. Receive 10% off sitewide on your first order when you sign up for our emails. So I was trying to turn on my project today and the board short circuited. Test the boards by uploading a simple sketch from the IDE. Look at this library: GitHub - DeanIsMe/SevSeg: Seven segment display controller library for Arduino. As it goes, you may be able to fix the troubleshooting with a few simple adjustments. I need help with installation I need help programming my thermostat I want to replace or buy a new thermostat My device isn't working I need to find a manual T9 and T10 Firmware Update. AlarmNet Cellular Alarm Monitoring Communicator. You may not realize it, but when it comes to issues with your Honeywell thermostat, you just might have it in you to resolve the issue yourself. In some cases, it may be more cost-effective to purchase a new unit, rather than to replace the sensor alone. To ensure electrical continuity, try hooking your wires with twist-on wire connectors, or wire nuts. Also, if I kill power to reboot, will I set anything off? Your LifeShield Home Security Base has an LED light on the front of the unit. I would plug in a 12-15v barrel jack into the arduino then use the Vin pin to get that power to the SSDs, how would you suggest powering them? I have only used one sample programs and I built a partial binary counter with it. Already own a smart thermostat? The most reliable communication method available for an alarm system is cellular communication. Serial 0 (RX) and 1 (TX) are for receiving (RX) and transmitting (TX) TTL serial data. Upvote # 5 05-19-14, 03:38 AM M MrRonFL Forum Topic Moderator Join Date: Jun 2000 Box w/ radio in it is showing red fault light on, and tx/rx blinking yellow intermittently. The ON light keeps blinking so I assume that means it is turning off and on. Jan 13, 2019. Green (REG) Yellow (TX/RX) Red (FAULT) Green (SIGNAL) This sequence may take up to 15 minutes. Sorry, something went wrong. If your analog Honeywell thermostat is still not functioning correctly, try removing the door to the unit. Honeywell Home: Why is My Heat Not Working. They are not programmable as their digital counterparts. Read the instruction manual for further guidance. Sorry, something went wrong. No Contract Alarm Monitoring starting at $10 a month! I used that instead of a shift register because I it was a quick project and I had to use a tiny breadboard on a proto shield for a kind of prop for a skit. So, could I do what you're suggesting with the MEGA instead? Across all 48 ports on a Dell-N3048EP-ON switch, if the link speed of a device is 10Mbps, the link light does not come on and only the activity light is seen. We are not trying to sell you anything. Another possible issue with an analog thermostat is its wiring. Dont let the thought discourage you, though. Essentially, a thermostat functions as a switch to turn the heat or air conditioning on or off. Sorry, something went wrong. We are working on it. Today, we are going to be doing just that. The yellow LED light shows when the system is communicating with the AlarmNet Servers. FAST BLINK - No contact with network & loss of communication with panel. Fred, ScreenLogic remembers the last setting so it is often hard to tell if it just presenting old info.. Lets get started! When it is I'll post on my topic as a reply Thank you! This will allow you to use the Total Connect 2.0 service to control your system. "Blink" is sometimes used for that. Ideally, the thermostat should also be located at least 5 feet from the floor, and it should not be placed within a closet or cabinet. "the power before I switched the wires was coming from 5v on the Mega to the Vin pin on the Uno." "CXZ. 35"_>!eq['fe?RZ=/JDL[ok[mLkUZUXkl"II,]t{YozBJU]1S z.J\[N%dW>)CjOY=a% (if module not connected to the control panel ECP). Cellular box says Honeywell GSMX4G. Lets get started! Wondering if I reboot the radio if it will reconnect to cell network? Use a soft brush or cloth to wipe it off, if thats the case. By using this communicator, your VISTA Panel will be able to communicate reliably with the AlarmNet Servers operated by Resideo (formerly Honeywell). If it is off, then the module is not receiving power. You have been registered for product and offer updates. In our case, dust. On the other hand, you might roast in global warming temperatures in the middle of the night if your thermostat decides to cross the Fahrenheit thresholds. Select the product you're having trouble with from the options below. Even if you dont have much knowledge about Honeywell thermostats, just like all appliances in your home, you can always try out a couple of troubleshooting tips that may get you back in business. *, Search for your product name or model number to select your product from the options that appear below. I don't know if you need to see the code right now but in it we coded a display driver. If you need to know any more information please ask I am on break right now and will most likely be working on it most of the time. FAST BLINK - Message waiting for network acknowledgement. ENERGY ENERGY Wire & cable Gas valves Water heater controls Gas ignition controls Programmable switches WiFi thermostats Pro-IQ LifeWhere. Use your owner's manual to ensure these wires are connected properly. A blinking screen can also be related to issues with compressor protection.