Honeywell Thermostat Advanced Settings & Codes

Many people expect a thermostat to work perfectly at all times. While the Honeywell Thermostat stands as a great device for your home, several settings can improve its performance. Also, they are codes that might indicate the condition of the device itself.

Before you can use the Honeywell Thermostat, it would help if you understood these codes and settings. But if you aren’t sure about the right ones to use, go through this article and learn about them.

honeywell thermostat advanced settings

Honeywell Thermostat Advanced Settings & Codes

Here are some of the advanced settings and codes for the Honeywell Thermostat  TB7100A1000 model. But before using this guide, you should check the Honeywell Thermostat for extra advice about using this product.

What is the Meaning of “Honeywell Thermostat Advanced Settings”?

Honeywell advanced thermostat settings are used to program various functions on the Honeywell Thermostat. To perform these functions, you will have to access the Advanced Settings Menu.

Furnace Filter Change Reminder Setting (Code No 0500)

This advanced setting allows users to adjust the reminder for performing a furnace filter change. Out- of the – box, this feature is set at 0. However, you can change these settings and allow it to run for as long as a year

Humidifier Pad Replacement Reminder Setting (Code No 0510)

Setting a reminder for replacing the thermostat humidifier pad is another advanced setting of this product. If you want to adjust this setting, you can allow the reminder to run for 3 months – 12 months. But if you prefer the factory setting, you can leave it at 0.

UV Lamp Replacement Reminder Setting (Code No.520)

To adjust the reminder for replacing the UV lamp, you will have to choose between 0 – 1. For this setting, 0 stands for OFF while 1 allows you to leave the reminder ON for 365 days.

Minimum Compressor Off Time Setting (Code No. 580)

This is the length of time required for the compressor to stay off before engaging again. As a factory setting, the compressor stays off for five minutes. But if you won’t want to change the time, you can choose between 0 – 4 minutes.

Heat Temperature Range Stop Setting (Code No. 600)

If you want to set this option, you can set temperatures between 40 – 89°F. But if you want to use the default heat settings, you can choose 90°.

Cool Temperature Range Stop Setting (Code No. 610)

The Honeywell Thermostat has its lowest cooling setpoint as 50°F. If you want to change this setting, you can choose values between 51 to 99.

Clock Format Setting (Code No. 640)

The Honeywell Thermostat allows users to adjust its clock format. To adjust this setting, you can choose between 12 hours or 24 hours.

Extended Fan on the time Heat Setting (Code No. 650)

The extended time heat setting on the Honeywell Thermostat can be set to either 0 or 90. However, the default settings stay at 0.

Extended Fan on the Time Cool Setting (Code No. 660)

If you want to adjust this setting, you can choose between 0 or 90. However, this setting does not apply to heat-only systems.

Keypad Lockout Setting (Code No. 670)

The Honeywell Thermostat has a keypad lockout setting that prevents tampering with the thermostat’s settings. Under this setting, you can choose options such as Unlocked, Partially Locked, and Fully Locked.

Temperature Control in Heat Setting (Code No. 680)

You can adjust this setting by choosing values of 1, 2, and 3. However, your preferred setting depends on whether the system has a temperature undershoot or overshoot.

Temperature Control in Cool Setting (Code No. 690)

The temperature control in the cool setting has a default value of 2. If you want to change this setting, pick values between-3 to 3.

Temperature Display Offset (Code No. 0700)

The default value for this setting is 0. But you can adjust it up to at least -3 F°. As for the maximum setting, it can be up to 3F°.

Reset Thermostat (Code No. 0710)

To use this setting, you should choose 1. However, this setting will not affect the calendar or clock.

Error Codes for Some Honeywell Thermostats

Error codes allow you to detect any issues that might occur on the thermostat. Now here are some of the error codes on various Honeywell thermostats.

 Error Code for the Honeywell Lyric™ T5 Wi-Fi (RCHT8612WF/RCHT9510WFW)

The error codes for this Honeywell thermostat include:

(a) 164 Error Code

This code is a sign of a faulty heat pump. You can handle this problem by reporting to Honeywell customer service.

(b) 168 Error Code

If your thermostat offers this code, then you will have to look out for a WiFi radio error. If you want to wipe out the error, you will have to contact the Honeywell customer center.

(c) 171 Error Code

As you use the Honeywell Thermostat, you might have the wrong time and date. You can easily solve this problem by inputting the correct values.

(d) 173 Error Code

If the temperature sensor of your thermostat is bad, it will display a 173 code. To solve this problem, you will have to reach out to the Honeywell Customer Service center.

(e)185 Error Code

This error code shows the presence of a faulty dehumidifier filter. To can stop this code from appearing on the display by replacing the bad filter and pressing the ” Dismiss” button.

(f) 187 Error Code

This code appears when it’s time to get a new filter or wash the old one. After performing any of the tasks, remember to hit the “Dismiss” button.

(g) 188 Error Code

When the UV bulb gets bad, the thermostat will offer a 188 error code. As expected, changing the bulb can get things back to normal.

(h) 210 Error Code

The 210 error code means that you have not activated the exterior temperature of the thermostat. To solve this problem, you will have to download and install the Lyric app and register for the external temperature feature.

(i) 399 Error Code

Without an internet connection, the Honeywell thermostat will offer a 399 code. You can clear this code from the display by connecting the thermostat to an active internet connection.


  • Danny Saunders

    Danny Saunders is a tech enthusiast. He enjoys getting his hands dirty with the features and settings of tech products and pushing them to their limits just to know how to get the best from them and how well they can endure "abuse" without breaking down. He shares his findings on this blog.