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Honeywell RTH7500 Support Question

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Question posted by carabetta1 on September 22nd, 2021

How Do You Clean The Temperature Sensor

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Answer #1: Posted by techyagent on September 22nd, 2021 5:01 PM
This answer was accepted by the poster of the original question.
techyagent

Member since:
June 17th, 2014

Points: 4,799,790
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To clean the MAP sensor: remove it from the manifold and very gently spray the inside of the sensor. There is a silicon membrane in there, and another temp. sensor, according to the FSM. So just barely pull the trigger on the spray cleaner, let it fill up with the solvent, then turn it over and let it drain out.


https://www.fixya.com/support/t10896748-honewell_rth_7500_temp_sensor_problem

https://www.honeywellstore.com/store/images/pdf/RTH7560E-honeywell-thermostat-installation-guide.pdf


Thanks



Techygirl
Answer #2: Posted by SonuKumar on September 23rd, 2021 12:31 AM
SonuKumar

Member since:
May 9th, 2021

Points: 16,622,390
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How do you clean the sensor on a Honeywell thermostat?

Thermostats can be cleaned by first removing the cover. Second, take a very soft brush (paintbrush) or compressed air to gently clean between the contact points and/or lever switches.

https://www.youtube.com/watch?v=w7ygVgZwS2g

https://www.youtube.com/watch?v=w7ygVgZwS2g&t=65s

https://www.youtube.com/watch?v=w7ygVgZwS2g&t=116s

https://www.youtube.com/watch?v=w7ygVgZwS2g&t=850s

How do you clean a thermostat sensor?

Here's how to clean your thermostat:

Remove the cover. ...

Using a clean, soft paintbrush and a gentle touch, dust the inner workings of the thermostat. ...

Inspect the device for loose or corroded wires. ...

Replace the batteries.

Dust the cover and then put it back on.

https://www.homeserve.com/en-us/blog/how-to/clean-thermostat/

https://www.homeserve.com/en-us/blog/how-to/clean-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
Your search handyman for all e-support needs!!

Related Honeywell RTH7500 Manual Pages

Owner's Manual - Page 1

Operating Manual RTH7400/RTH7500 Series Programmable Thermostat 69-2222EF-03
Owner's Manual - Page 2

This manual covers the RTH7400 and RTH7500 models. (Pull thermostat from wallplate and turn over to find model number) This thermostat contains a Lithium battery which may ... save these instructions. ® U.S. To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50°F (10°C). Registered Trademark. US Patent No. 6,595,430; 7,114,554...
Owner's Manual - Page 3

... program schedules 9 Program schedule overrides 13 Auto Changeover 15 Filter reminder 17 Special features 18 RTH7400/RTH7500 Series Appendices Battery replacement 19 Customer assistance 20 In case of difficulty 21 Limited warranty 23 This thermostat is pre-programmed and ready to go ! Your new thermostat is ready to check settings. 1 69-2222EF-03
Owner's Manual - Page 4

...follow menu programming. • One-touch temp control overrides program schedule at any time. • Precise comfort control keeps temperature within 1°F of the level you set. • Change/check reminder lets you many years of reliable service and ... know when to replace furnace filter. • Large display with backlight is easy to -use thermostat. Operating Manual About your new...
Owner's Manual - Page 5

Set clock See page 6 2.. RTH7400/RTH7500 Series Your new thermostat is pre-programmed and ready to Auto To change, see page 7 3.. Select fan setting: Preset to go... you have to Heat To change, see page 8 4.. Then check the settings below and change if needed: 1.. This thermostat is ready to bed at 10 pm To change, see pages 10-14 ONE-TOUCH TEMP CONTROL: You can override the program...
Owner's Manual - Page 7

... display Current day of week Current inside temperature RTH7400/RTH7500 Series Current time Smart Response® Technology in effect (see page 15) System setting (see page 8) Mon 75 Recovery System Cool 6:01 AM Fan Auto Set to 75 Heat On System & Fan Schedule Clock & Mode Temperature setting Fan setting (see page 7) M28078 Other...
Owner's Manual - Page 9

Fan setting Press SYSTEM & FAN System & Fan Schedule Clock & More M28081 Press FAN to select mode, then press DONE RTH7400/RTH7500 Series Press SYSTEM & FAN, then FAN to select fan operation: • On: Fan is always on. • Auto: Fan runs only when the heating or cooling system is on. System Heat System Fan Auto Fan Done M28082 7 69-2222EF-03
Owner's Manual - Page 10

... to select system: • Heat: Thermostat controls only the heating system. • Cool: Thermostat controls only the cooling system. • Auto: Thermostat automatically selects heating or cooling depending on how your thermostat was installed. 8 Note: The Auto and Em Heat system settings may not appear, depending on the indoor temperature. • Off: All systems are...
Owner's Manual - Page 11

... energy-saving level). LEAVE 8:00 am 70 ° Set to bed and the temperature you want while you leave for the day. You can program four time periods each day, with different settings for maximum energy savings. RTH7400/RTH7500 Series Save money by setting program schedules It's easy to program your system...
Owner's Manual - Page 12

...these settings, since they can reduce your heating/cooling expenses by as much as 33%. (See next page to adjust times and temperatures of each time period.) Wake (6:00 am) Leave (8:00 am) Return (6:00 pm) Sleep (10:00 pm) Heat (...62 ° 82 ° 69-2222EF-03 10 Operating Manual Energy saving settings for maximum cost savings This thermostat is pre-set with energy saving program settings.
Owner's Manual - Page 13

...(LEAVE, RETURN, SLEEP), then press DONE. 7. Press NEXT STEP, then s or t to set Cool temperature for selected days. 4. Repeat steps 3-5 to see weekdays. 2. M28086 Select day(s) Select time Select temp ...STEP, then s or t to set Heat temperature for this time period. 6. Press SELECT DAY to 62 Heat Next Step Done 1. RTH7400/RTH7500 Series To adjust program schedules (RTH7400 only) ...
Owner's Manual - Page 14

... Done 1. Press NEXT STEP, then s or t to save & exit. Press DONE to set Cool temperature for this time period. 5. M28086 Select day(s) Select time Select temp 69-2222EF-03 12 You can..., then EDIT to program with the same settings. 3. Operating Manual To adjust program schedules (RTH7500 only) Press SCHEDULE System & Fan Schedule Clock & More Press EDIT Go Back Edit M28084 View...
Owner's Manual - Page 15

... period. To cancel the temporary setting at any time, press USE SCHEDULE. 13 69-2222EF-03 Program schedule override (temporary) RTH7400/RTH7500 Series Mon 62 System Heat System & Fan Adjust temperature Temporary Set to 68 6:08 AM Heat On Fan Auto Use Schedule Clock & More Press USE SCHEDULE to resume program schedule...
Owner's Manual - Page 17

... the heat and cool to maintain a 3-dgreee separation. RTH7400/RTH7500 Series AubtooutCyhoaunrgneeowvetrhermostat Use this feature in climates where both "Auto" and...temperature setting you are used on the indoor temperature. While in the Auto mode, if a schedule override takes place (temporarily or permanently) the thermostat will also show the thermostat is in Auto, the thermostat...
Owner's Manual - Page 18

... below 50°F (10°C). 69-2222EF-03 16 Operating Manual AubtooutCyhoaunrgneeowvetrhermostat If the cool temperature is lowered to where it gets close to the heat setting, an arrow next to heat will show the thermostat is increasing to maintain a 3-degree separation. Tue 69 1:09PM System Auto Fan Auto Heat Temporary Set...
Owner's Manual - Page 19

... alerts you when it expires: 1. Press MORE, then NEXT. 2. Press RESET. 3. To reset the reminder interval before it is time to replace your filter. AFibltoeurtryeomuirndnewr thermostat RTH7400/RTH7500 Series Press RESET after changing the filter, to restart the timer. Press DONE to save and exit.
Owner's Manual - Page 21

... appear, you should replace batteries once a year, or before batteries are optional (to provide backup power) if your thermostat was wired to run on AC power when installed. Battery replacement RTH7400/RTH7500 Series Grasp thermostat and pull to remove from wallplate M28103 Batteries are depleted. Install fresh batteries immediately when the LO BATT...
Owner's Manual - Page 23

...; to Make sure heating and cooling temperatures are correctly installed (see page 19). Display is blank • 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...
Owner's Manual - Page 29

Mode d'emploi Série RTH7400/RTH7500 Thermostat programmable 69-2222EF-03
Owners Guide - Page 22

...-Period when you are away from home and want your home back to a comfortable temperature. O/ Gni - =I 0 O - - 89 c43-GC 14230S 69-1730 42 Press ... efficient air cleaning. :el:04.403nd: Program Your Heating and Cooling Schedule Your thermostat can control up to four different schedule periods for each day: Wake-Period when you awaken and want an energy-saving temperature Edit Schedule...

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