After the selected number of hr of blower operation "clean filter" will display on LCD. Another sign is if the indoor-unit turns on but there is no warm or cool air coming out of the vents. If the display module and the equipment control module cannot communicate via two-wire connection, El will be displayed, If control cannot properly read outdoor temperature, and it is needed for proper operation, the display will indicate ” in the outdoor temperature location, If internal memory fails, E4 will be displayed. The list of error codes for issue identification is also included. If present, thermostat is OK and problem is with equipment or wiring. And. The Carrier® Côr™ thermostat is Energy Star® certified and claims to save you 20% over average heating and cooling. Carrier Thermostat Not Powering on or Control Panel Not Working. If they’re dirty, replace the air filters and repeat this test. Select COOL mode. What should you do if the airflow is too low?First, check your air filters. If both Humidifi- cation and Dehumidification have been set to OF, the humidity value will be shown as when viewed from the humidity menu, but no E5 will be shown in the display. You want to avoid using emergency heat, though, because it’s the most expensive option. Nest. Increase heating set point to 10 degrees above room temperature. Comfort Features Personalized temperature control means you get the comfort you want when you want it. When controlling a heat pump, heat comes on during cooling cycle. NOTE: This indicator does not reflect a problem with your system. Some Carrier thermostat systems also come with a “Constant ON” feature. If recycling power does not clear display, thermostat should be replaced. Check for 24 vac at Y1 terminal. If 24 vac is not present, replace the thermostat. An internal power source eliminates the need to reprogram the thermostat after power outages. Carrier Furnace w/ Honeywell WiFi Thermostat I have a Carrier furnace with the cheapest programmable thermostat (TB-PHP01) that came with my house. The thermostat also displays the outside temperature on the screen just under the indoor temperature it’s reporting. If it's not, owners need to check their circuit breaker and make sure that all circuits are in the on position. View and Download Carrier Thermostat installation, start-up, and operating instructions manual online. Temperature sensor reading out of range. Something as simple as someone … Carrier Thermostat User Manual. Check for 24 vac at Y1 terminal. The History of the United States' Golden Presidential Dollars, How the COVID-19 Pandemic Has Changed Schools and Education in Lasting Ways. Here are some simple troubleshooting steps you can take — before you call for service — to possibly resolve the problem yourself or determine if you need a new thermostat. Under this condition the outside temperature will be blanked. Cooling will not come on: Select COOL mode. Connect a 270 ohm, 10 watt power resistor at the air conditioning equipment between terminals W and C (non-heat pump applications only). you will see AUX HEAT indicator in the display. Simultaneously press the Up Arrow and Fan buttons together (increase temperature). Carrier listened to the needs of homeowners nationwide and delivered a product to meet those needs. You will have to look inside your current thermostat, and this is where you will more than likely be met with a series of numbers and letters. Replace the thermostat. Before you call Carrier technical support or take apart your thermostat, take a look at the unit. restore Ideas. Evaporator coil (the part that cools the air) literally freezes, turning into a block of ice that blocks air, … Cooling Will Not Energize. Operation is only recom-mended to provide heat until replacement components can be obtained or fault resolved. If the NUI does not receive CCN communication data from the CDU for 60 seconds, the display will show"E3" error code in the Temperature display zone and '-'in the Time Display zone. NOTE: This indicator does not mean there is a problem with your system. Cooling will not come on: Select COOL mode. Your Nest and Carrier products will work together to handle your HVAC needs and lower your home energy usage. Cooling may be locked out. If present, thermostat is operating correctly and problem is with wiring or equipment. How Do You Troubleshoot a Carrier Thermostat. If a Carrier thermostat is not cooling, owners should make sure that the thermostat is set to cooling mode and to a temperature that is lower than the temperature outside. Simultaneously press FAN and INCREASE TEMPERATURE buttons to defeat timers. Press "reset filter" button to clear display and reset timer to 0. Brownout condition or too low of voltage to thermostat. NOTE: Not all messages displayed in the above illustration will appear at once in any situation. If this is the case, the system may need servicing if it doesn't blow warm air. This function will hold the current temperature settings indefinitely, so it can be used to hold an energy-saving temperature setting for several days if needed. Last year I purchased a Nest E but after hours on the phone with them I was still unable to get the cooling … When your heating or cooling goes out, the problem could be your thermostat, rather than your furnace or air conditioner. This is to remind the homeowner to "check" filter. Both R and C must be connected for proper operation. Set desired temperature to 10'F below room temperature. This is called "Legacy Mode". If the heat pump is not working properly, you can manually turn on the emergency heat for extra help in healing. Check for Compressor Cycle per Hour Limit. If not present, replace thermostat. Carrier thermostats can be troubleshooted by looking for common problems and addressing these problems one at a time until the problem is fixed. Whether you’re lounging on the couch on the other side of the room or lounging on a beach on the other side of the country, you can control your home comfort from virtually anywhere with a Wi-Fi® thermostat from Carrier. Check for 24vac between R and C at terminal connections. 2012-06-07 PexSupply Staff No where in this manual does it tell you how to turn the fan on if you want to run it independently (i.e. Check for 24vac at Y (first-stage) terminal. Some common problems may include a system that is not heating or cooling enough or a system that is not running at all. Set desired temperature to 10‘F above room temperature. If the outdoor temperature is above this setting the thermostat will not engage free cooling even if the indoor temperature is … Double check wiring and check for 24vac between R and C. E2 will clear 15 sec after proper voltage is restored. If present, thermostat is OK and problem is with equipment or wiring. This diagram from Carson Dunlop shows another easy method for testing airflow. The CLEAN FILTER indicator tells you when to clean or replace your system's air filter. This is no ordinary thermostat. Below, you can find a troubleshooting manual for some Carrier Thermostat device models. There is a bit of air coming out of inside vents, but the temperature is not cooling to correct level. For your convenience, they are present in the form of tables: they enlist the most widespread technical issues and provide detailed instructions for fixing the problems manually or via WiFi connection. For systems that have more than one stage for cooling look out for wires that are attached to an “y1” and “y2” terminals. Get free quotes on Nest and Carrier today! Connect a 270 ohm, 10 watt power resistor at the air-conditioning equipment between terminals Y and C (non-heat pump applications only). If you still aren’t achieving the results you want, it may be time to contact an HVAC company to perform a duct cleaning or to check your AC fan for any potential problems. We have enough money a top atmosphere high photo afterward trusted permit and all if youre discussing the quarters … If present, thermostat is operating correctly and problem is with wiring or equipment. If that's not the case, then try the following steps: 1. Select COOL mode. If this happens then check the communication cable between NUI and outdoor unit, If the sensor used to sense room Humidity reads less than 0 HR% or greater than 99 HR%, it will be considered as failed and will display "-", If the thermostat non-volatile memory (EEPROM) has failed, an "E4" error will be shown in the room air temperature display. 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