You might see your Honeywell thermostat that says that the heat is on, and yet you get no heat. This can happen for many reasons. A broken thermostat, incorrect wiring, tripped circuit breakers, blown fuses, or a broken HVAC system could cause this. Here, we describe some of these causes, and then offer troubleshooting techniques … Continue reading Honeywell Thermostat Says Heat On But No Heat
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How to Calibrate Honeywell Thermostat Temperature
In this post, we show how to calibrate Honeywell thermostat temperature RTH9580WF. Now why would you wish to calibrate the temp reading on a thermostat (t-stat)? Well, perhaps your Honeywell t-stat reads warmer or cooler than the room feels. So you’d like to bring the t-stat temp reading more inline with how it really is. … Continue reading How to Calibrate Honeywell Thermostat Temperature
Honeywell Thermostat Not Following Schedule
a Honeywell thermostat not following schedule, and how to fix that. If the thermostat is otherwise working normally, it could be that its Schedule Hold feature is active. So switch this off, and chances are that normal schedule following returns. But why would schedule following ever be OFF? Well, this schedule suspending option on many … Continue reading Honeywell Thermostat Not Following Schedule
Setting Temperature Differential on Honeywell RTH9580WF Thermostat
Temperature differential is the difference between the turn-on and turn-off temperatures on a thermostat, whether heating or cooling. It ranges between one and three degrees on common t-stats. Indeed, many of today’s t-stats let you set this value. They offer this to account for differing home types and locales, types of furnaces. In this piece, … Continue reading Setting Temperature Differential on Honeywell RTH9580WF Thermostat
Honeywell Waiting for Update Message
The Honeywell Waiting for Update thermostat message can show up on Honeywell smart t-stats, like the RTH9580WF in this example. These messages, though not always errors, can show up when the t-stat has just come online after installing it, or a power outage. These can also occur if the Wi-Fi network to which the t-stat … Continue reading Honeywell Waiting for Update Message