Honeywell TH5220D1003 Support Question
Honeywell TH5220D1003 Support Question
Find answers below for this question about Honeywell TH5220D1003 - Digital Thermostat, 2h.Need a Honeywell TH5220D1003 manual? We have 1 online manual for this item!
Question posted by Dgonano1 on February 25th, 2023
My Thermostat Keeps Resetting The Heat Temperature To 40 Degrees F.
Woke up cold this morning. The thermostat was set on 40 degrees. It was 51 in the room. No one admits to changing it. Reset it, and the temperature went back up to 67. Later I took a nap and woke up thinking it was cold again. Lo and behold, the temp was set at 40 again.
Current Answers
Answer #1: Posted by SonuKumar on February 25th, 2023 6:48 PM
SonuKumar
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May 9th, 2021 Points: 16,621,300
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If your Honeywell TH5220D1003 thermostat keeps resetting the heat temperature to 40 degrees Fahrenheit, there may be a few possible causes. Here are some troubleshooting steps you can take to try and resolve the issue:
- Check the thermostat settings: Make sure that the temperature settings on your thermostat are set correctly. Check that the desired temperature is set to a higher temperature than 40 degrees Fahrenheit. If the settings are correct, proceed to the next step.
- Check the wiring: Check that the wiring is connected properly and securely. Loose wiring connections can cause the thermostat to malfunction. If the wiring is loose, tighten the connections and test the thermostat again.
- Check the thermostat location: Make sure that the thermostat is not located in a spot that is affected by drafts, direct sunlight, or other sources of heat. This can cause the thermostat to read the wrong temperature and adjust the settings incorrectly.
- Replace the batteries: If the thermostat is battery-operated, try replacing the batteries with fresh ones. Weak or dead batteries can cause the thermostat to malfunction.
- Reset the thermostat: Try resetting the thermostat to its default settings. Refer to the user manual for instructions on how to do this.
If none of these steps solve the issue, it may be time to consider replacing the thermostat.
Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.
Regards,
Sonu
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Answer #2: Posted by WillisGray on February 26th, 2023 2:44 AM
WillisGray
Member since:
December 13th, 2022 Points: 3,700
Member since:
December 13th, 2022 Points: 3,700
Thermostat Keeps Resetting on Its Own? - Here's What to Dohttps://www.h2ouse.org/thermostat-keeps-resetting
WebMar 16, 2022 · Getting your thermostat off the hold setting Getting your thermostat off of hold is pretty easy. You will need to just press one of the following buttons on your device: Cancel Run Run Schedule The specific button that you press will depend on your model. ...
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Related Honeywell TH5220D1003 Manual Pages
Owner's Manual - Page 1
Operating Manual
FocusPRO® TH5000 Series
Non-Programmable Digital Thermostat
69-1923EFS-01
Owner's Manual - Page 2
Registered Trademark. MCR29404
This manual covers the following models:
TH5110D: For 1 Heat/1 Cool systems TH5220D: For up to 2 Heat/2 Cool systems TH5320U: For up to 3 Heat/2 Cool systems (Remove battery holder to remove batteries. Copyright © 2009 Honeywell International Inc. All rights reserved. Batteries should be replaced once a year (see page ...
Owner's Manual - Page 3
ENGLISH
Table of contents
About your new thermostat Thermostat features 2 Setup at a glance 3 Quick reference to controls 4 Quick reference to display 5
Programming & Operation Fan setting (auto/on 6 System setting (heat/cool/auto 7 Auto-changeover (heat/cool 8 Compressor protection 9
FocusPRO® TH5000 Series
Appendices Battery replacement 10 In case of difficulty 11 Customer ...
Owner's Manual - Page 4
ENGLISH
Operating Manual
About your new thermostat
Congratulations on the purchase of reliable service and easy-to-use, push-button climate control. It has been designed to read-even in the dark. • Displays both room temperature and temperature setting. • Removable battery holder for fast, easy replacement. • Built-in compressor protection.
2
Features
• One...
Owner's Manual - Page 5
... by the installer and ready to control both systems automatically, if needed :
1. Heat): Preset to go!
System (Heat/Cool/Auto/Em. FocusPRO® TH5000 Series
Your new thermostat is the most commonly used setting, but you may prefer On for improved air circulation.
2. ENGLISH
This thermostat is ready to Heat....To change if needed .
3
69-1923EFS-01
Owner's Manual - Page 6
Operating Manual
Quick reference to controls
Digital display (see page 5)
Battery holder (see page 10)
ENGLISH
M29405
Function Buttons Press to select the function displayed just above each button. (Functions change depending on the task.)
69-1923EFS-01
4
Temperature Buttons Press to set preferred temperature.
Owner's Manual - Page 7
...)
Auxiliary heat (Only for heat pumps with auxiliary heat)
Current inside temperature
Inside
72
Replace Battery
Heat Setting
72 Auxiliary
Heat On
Temperature setting
Fan
Fan setting
Auto
Auto/On (see page 6)
System Heat
System status Heat On/Cool On (If flashing, see page 9)
Function buttons Press the button beneath each function to view or change settings (functions change depending...
Owner's Manual - Page 8
If set to select Auto or On. In "Auto" mode (the most commonly used setting), the fan runs only when the heating or cooling system is on. ENGLISH
Operating Manual
Select the fan setting
Fan Auto
System Heat
Fan On
System Heat
MCR29407
Press the FAN button to "On," the fan runs continuously.
69-1923EFS-01
6
Owner's Manual - Page 9
... thermostat was installed. Compressor is locked out.
7
69-1923EFS-01
Select the system setting
FocusPRO® TH5000 Series
ENGLISH
Fan Auto
Fan Auto
System Heat
System Cool
MCR29408
Note: The Auto and Em Heat system settings may not appear, depending on the indoor temperature.
• Em Heat (only for heat pumps with auxiliary heat): Thermostat controls Emergency and Auxiliary Heat...
Owner's Manual - Page 10
...and
not appear, depending on how your cooling set to maintain this 3-degree separation (called "deadband"). Heat and cool settings must be changed.
69-1923EFS-01
8 The thermostat will automatically adjust settings to Auto, the thermostat automatically selects heating or cooling depending on the same day.
When the system is set temperatures is a feature used in climates where both air...
Owner's Manual - Page 11
During the wait time, the display will flash the message Cool On (or Heat On if you have a heat pump).
When the safe wait time has elapsed, the message stops flashing and the ...the compressor in compressor protection
FocusPRO® TH5000 Series
Inside
75
Fan Auto
Cool Setting
75 Cool On
System Cool
Message flashes until safe restart time has elapsed. ENGLISH
Built-in your air conditioning ...
Owner's Manual - Page 12
....
AA alkaline batteries. 69-1923EFS-01
MCR29411
Batteries are permanently stored in memory, and do not require battery power.
10 All settings are optional (to provide backup power) if your thermostat was wired to run on AC power when installed. Batteries provide backup power to remove
Auto
Replace Batttery MCR29409
Insert fresh...
Owner's Manual - Page 13
...; Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. • Make sure furnace door is closed securely. • If thermostat is battery-powered, make sure fresh AA or AAA alkaline
batteries (depending on model) are set to acceptable ranges:
settings do not • Heat: 40° to 90...
Owner's Manual - Page 14
... to the compressor (see page 9).
69-1923EFS-01
12
"Cool On" or "Heat On" is flashing
• Compressor protection feature is set higher than the Inside temperature.
• Check circuit breaker and reset if necessary.
• Make sure power switch at heating & cooling system is on.
• Make sure furnace door is closed securely.
•...
Owner's Manual - Page 15
... No. 50002883-001
TH5320U/TH5220D Battery holder Part No. 50007072-001 Cover plate assembly Part No. 50002883-001
*Use to cover marks left by old thermostats.
13
69-1923EFS-01
ENGLISH Customer assistance
Model number
Date code
xxxxxxx
xxxxxxx
MCR29412
FocusPRO® TH5000 Series
For assistance with this product, please visit...
Owner's Manual - Page 21
Manuel d'utilisation
FocusPRO® Série TH5000
Thermostat numérique non programmable
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