Honeywell Thermostat Troubleshooting Guide 2020

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Honeywell Thermostat Troubleshooting

Honeywell Thermostat Troubleshooting Guide 2020

Weather conditions keep changing, and they may cause discomfort if you fail to regulate them, depending on how you like them.

Things have become easy with the various devices available in the market to handle the temperatures at homes and workplaces.

The Honeywell thermostats are a big brand in the market that helps you handle any of your weather concerns efficiently. 

The company that manufactures the thermostats has ventured into introducing a vast number of devices to create diversity on how people regulate temperatures at their homes.

Each of the devices has different functions, and a buyer can enjoy a wide variety of options among those sold by the venture.

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Some of the thermostats are programmable. They serve to heat and cooling purposes, while others are heat pumps.

The Honeywell thermostats come in digital and analog modes.

 At times, you may experience problems with these thermostats.

But you do not need to panic as this guide gives you a detailed analysis of how you can handle the different issues that you face with the thermostat. 

How to lock a Digital Honeywell Thermostat

Digital thermostats are manufactured in different models. They offer you vast options to program them.

You can schedule new models through your smartphone, but they tend to be costly compared to those you can program on their screen using keypads.

Besides, some thermostats also use a touchscreen that displays the options that you select, depending on the problem you want to troubleshoot. 

Below are some of the problems that you may face with your digital programmable Honeywell thermostats.

Lack of Display

This is one of the most common problems that you are likely to face with your digital thermostat.

 If it displays a blank screen, you do not need to call your technician the problem occurs as a result of various reasons including:

The furnace door is open: most furnaces work by receiving coordination form the shut door.

The furnaces come with a switch that corresponds to the entire system when you entirely shut the door.

 For the power switch to respond and get the entire system working, you must fully close the door.

If you fail to shut the door correctly, the power switch gets depressed, and it cannot switch on the system hence causing problems in the thermostat. 

Dead batteries: some thermostats have batteries, while others do not have them.

Whenever your batteries are dead, the thermostats always gives you an alert to replace them through a message that appears on the screen.

If you fail to replace them, the display in the thermostat remains blank until you do so.

Tripped circuit breaker: in most buildings, the furnace breaker and air conditioners must always have their codes.

If there is a problem in either of them, it gets impossible for the devices to work. If your furnace fails to work, there is usually a possibility that the furnace breaker is not connected. 

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To check on the condition of your circuit breaker, you should check if it is tripped and if so, you must flip it back to the ON position for it to work again. 

The thermostat does not operate in the correct way

At times your thermostat may be functioning, but you fail to notice any changes in the level of temperatures in your house.

 If this happens, there is a high chance that something may be wrong with many aspects of your device. The possible causes of this problem include: 

Disconnected low voltage wires: thermostats have colored wires that are small. The cables must always be connected to their position so that they can work.

 If they are not well connected, the thermostat and the entire system fail. Thermostats have varying wire connection requirements depending on how they are made.

 Some need about three wires, while others may need at least six wires that are colored.

The number of components that your thermostat has determines the number of wires that must be connected for it to work.

Before installing the thermostats and the wires.

You should first refer to the Honeywell thermostat troubleshooting user manual to read the codes in the diagrams, and with that, you get to know the number of wires that you need to connect to it.

With that, you can reinstall them and connect them according to your thermostat’s needs, and it gets to work again. 

Incorrect setting of the time, date of the clock: whenever you experience power outages in your house or workplace, the internal clock ends up losing its setting.

In most thermostats, the battery usually serves the purpose of enabling it to keep its memory whenever there is the loss of power, but at times it fails to do so. 

If you notice a problem with the dates, ensure that you set it back to the correct one for your thermostat to work as expected.

Most programmable electric thermostats can never work at all if the dates and times are set wrongly. Hence you must be sure to correct it. 

   Every thermostat varies in terms of how you should date and time.

Before troubleshooting your device, it is advisable to check the user manual for the steps to set it.

You can find the instructions at the back of the manual. 

Incorrect jumper settings: if the jumper settings in your thermostat are not correct, it cannot work.

In some thermostats, you can verify if they are correct by checking that at the back of the model by removing the cover before you get to verify if they are correct.

For Honeywell models, you must verify and set the jumper correctly depending on the type of furnace that you are using as they vary air conditioner or heater that you have in your house. 

Some models require that you place the jumper in the HE position if you are using an electric type of furnace.

 If you are using a gas type of furnace, you should set the jumper to the HW position for the thermostat to work correctly.

If you complete the process successfully, your fan gets to activate anytime that you switch it to automatic mode. 

Issues with the air conditioner or furnace

Problems with your thermostat may be caused by underlying problems in your air conditioner, furnace, or other devices that you may have at your home like the humidifier or units for air exchange.

There are many issues that may affect your air conditioner, and thus it ends up making your thermostat not to work. Some of the issues that may interfere with the working of your device include:

Clogged filters in your air conditioner: the filters of your air conditioner are usually responsible for the trapping of air that comes in and the cool air that enters into the system.

 If they are filled with dust or debris, they may stop working, and this affects your AC; hence it stops to work efficiently, and instead, it affects the functioning of your thermostat. 

Other underlying issues in your furnace or air conditioner may also be the root causes of failures in your thermostat.

Before giving up on your Honeywell thermostat troubleshooting endeavors, always make sure that you check your entire system for any problems. 

Debris and dust

When your thermostat is dirty, it cannot operate as expected. Usually, it gives an error message, and this may be confusing as you may troubleshoot the wrong problem.

 Before addressing the issue, you should remove the cover of the device and clean the inside with a soft brush. 

Before starting the cleaning process, you should set the thermostats to its lowest setting and check for the connecting parts before brushing them to get out the dust.

A compressor is ideal for cleaning the bimetallic coil of the device as the pressurized air blows off huge amounts of the dust from the latter.

After completing the first process, you should set the thermostat to its highest band later clean it to ensure that you get the device to perform better.

You should then rest the thermostat according to the settings that you prefer after completing the cleaning process, and with that, it gets to work efficiently. 

Components may be mismatched

If you fail to match all the components of your thermostats correctly, there is a possibility that it will not work.

 You must ensure that all the components match the requirements in the manual and connect it correctly to your heating system of the air conditioner.

 Thermostats with low voltage are the most common ones that are connected in residential, and thus you should ensure that you know how to set them right before you complete Honeywell thermostat troubleshooting process.

To ensure that the components of the thermostat match the correct criteria, always ensure that it matches the capability, capacity, and the type of furnace that you have at your home. 

Before installing your thermostat, you should first ensure that it is the correct type that matches with your furnace type.

If you install the wrong thermostat, it is likely to result in miscommunication between the furnaces or air conditioner hence displaying an error, and it can never work to meet your needs.

Before purchasing a thermostat, you should first consult with a Honeywell dealer and probably present the old thermostat that you have been using in your house so that the can guide you on the correct type of thermostat that you should install in your house. 

Inaccurate temperature readings

If you notice that your thermostats turn on when it shouldn’t, or it goes off at the wrong time, there may be an issue with the position at which you place it.

 When selecting a place to place the thermostat, you must ensure that you do not place them near the window or the doors.

 Besides, avoid Honeywell thermostat troubleshooting positioning near sources of fire or heat as this makes them give the wrong reading even when you set them right.

If the thermostats give incorrect readings, it may make your heater or air conditioner to keep turning on and off at the times when it should not be doing so. 

According to researchers, you should place our thermostat near your return ductwork where the air returns as this enable them to capture the correct prevailing conditions in your house. Hence they give the correct readings. 

Additionally, drafts that come from a wall are a major cause or wrong readings in your thermostat.

If you notice drafts on your walls, you should try to fill them so that they cannot interfere with the readings of your thermostat.

 Besides, you should ensure that there is no attic or basement nearby else the device is likely to give the wrong readings.

Be sure not to place the thermostat on the outside wall as there are imbalanced temperatures in such places, and this may result in your thermostats always giving the wrong readings. 

Problems with the heat anticipator

The heat anticipator device is mostly found in older models of thermostats. It usually entails a small metal tab that is usually mounted at the center of the device.

The device has the unique role of giving the thermostat an order of when to turn off the furnace.

When the device is not functioning correctly, it makes your device to act abnormally by turning on and off at the wrong time.

You should check if your heat anticipator is set wrongly so that you get to set it correctly.

 An amp meter is the best to use whenever you want to know the rights setting or your thermostat.

For digital models, you do not need to set them because the heat anticipator is usually internally located in the device, and it sets itself up automatically. 

Troubleshooting your thermostats is never complicated as long as you are willing to follow the basic troubleshooting tips.

Before purchasing a thermostat, you must always ensure that it matches the type of furnace or air conditioner that you own at your home.

 Be sure to place the device in the right position away from heat sources and attics as they usually lead t incorrect reading of the room temperatures. 

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