honeywell thermostat not working blank screen

Replacing a Honeywell thermostat can range from 20 to 160 depending on the model you have. 5-2 Day Programmable Thermostat Support.

Honeywell Pro Series Thermostat Troubleshooting Home Automation

Honeywell Thermostat Blank Screen.

. Honeywell Lyric and Smart Round Thermostats Press and hold the cloud icon. First head over to your electrical breaker box and turn off the power source to your thermostat. After a brief power outage the Honeywell TH9421C1004 thermostat is a blank.

The screen on my Honeywell RTH8500 Wi-Fi Series hads gone blank. Next turn the thermostat off and carefully remove the top cover of the unit. Select the reset button when it appears.

If your thermostat screen goes blank after several minutes of operation it could be due to the high-limit switch tripping. Ask Honeywell Experts About Thermostat Problems and Repairs. Ad Free Smart Thermostat Install Estimate Same Day Service.

If your Honeywell thermostat is not working and there is no display we recommend you work through the following troubleshooting steps. If the air conditioner unit kicks in the COOL feature is functioning right. How to Troubleshoot 1.

First cutting off power by tripping the circuit breaker Then remove the batteries from your thermostat and inserting them back in. One of the most common issues that is reported by several users is that their Honeywell thermostat screen is not responding. Check breaker to indoor unit.

Ad Free Smart Thermostat Install Estimate Same Day Service. Turn the dial to the lowest setting like 60 and wait for 5 minutes. Most furnaces have a high-limit switch that prevents the.

Ad Experts Answer Your Queries on Honeywell Thermostat Reset Wiring Settings and More. Single-stage Programmable Thermostat Support. If the thermostat does not wake up when you approach please replace the AAA Lithium battery.

This issue may occur in the case of any Honeywell. Blank screen issues with thermostats are usually traced to lowcompletely. Honeywell TH9421C1004 Blank Screen.

Next check near the indoor unit for a float switch in drain and if you have one lift it to see if we get power to. I thought it must be the battery so I replaced it. How can I fix a Honeywell thermostat screen not responding.

Replace the Batteries in Your Thermostat. One of the most common reasons behind no response on your thermostats screen is loose wire on the back of your thermostat. In order to fix this you will have to remove.

1-Week Programmable Thermostat Support. A tripped circuit breaker may also cause this problem. Now you need to check the.

Trusted in the North Shore for 57 Yrs for Prompt Service Upfront Pricing Quality Work. Pro 2000 Horizontal Programmable Thermostat. If you hire an HVAC tech to install it there.

Its 9 degrees outside and my heat pump is not working. Gently pull the thermostat away from the wallplate remove the battery and. Press and hold the down arrow.

If you see your Honeywell thermostat screen blank after changing batteries the. I thought it may have been the battery. If screen is blank we have lost power to the thermostat.

Thats suggesting a DIY approach of course. Yes dead batteries can cause the thermostat to shut off which will show a blank screen. Trusted in the North Shore for 57 Yrs for Prompt Service Upfront Pricing Quality Work.

Your Honeywell Thermostat backlight may not light up if the batteries are lowcompletely drained or if any wire is burnedloose.

Blank Display On Thermostat Problem Screen Quality Hvac 101