Get support for Honeywell RTH8500

Honeywell RTH8500 Support Question

Honeywell RTH8500 Support Question

Find answers below for this question about Honeywell RTH8500.
Need a Honeywell RTH8500 manual? We have 1 online manual for this item!
Question posted by Dkellert on March 11th, 2013

Rth8500wf Didn't Change Time With Daylight Saving Switch

Daylight saving time went into effect yesterday but the time has not been updated on my thermostat (even though it says it's on internet time. I can't find any way to reset the correct time.

Current Answers

There are currently no answers that have been posted for this question.
Be the first to post an answer!

Remember that you can earn up to 1,100 points for every answer you submit. The better the quality of your answer, the better chance it has to be accepted.

Related Honeywell RTH8500 Manual Pages

Owner's Manual - Page 1

Operating Manual RTH8500 Touchscreen Programmable Thermostat 69-1901EF-1
Owner's Manual - Page 2

This thermostat contains a Lithium battery which may apply, See www.dtsc.ca.gov/hazardouswaste/perchlorate Need Help?...special handling may contain Perchlorate material. Registered Trademark. Never use sharp instruments, such as a pencil or pen, to the thermostat, always press keys with this product please visit http://yourhome.honeywell.com or call Honeywell Customer Care toll-free at 1-...
Owner's Manual - Page 3

.... To prevent possible compressor damage, do not operate cooling system when outdoor temperature is below 50˚F (10˚C).  Table of contents RTH8500 About your new thermostat Thermostat features 2 Programming at a glance 3 Quick reference to controls 4 Quick reference to status display......... 5 Programming & Operation Clock setting 6 Fan setting 7 System setting 8 Using...
Owner's Manual - Page 4

... the wall to set . • Change/check reminders let you many years of the level you set schedules. • EnergyStar® compliant to greatly reduce your new thermostat Congratulations! Operating Manual About your heating/cooling expenses. • One-touch temp control overrides program schedule at any time. • Precise comfort control keeps temperature...
Owner's Manual - Page 5

RTH8500 Your new thermostat is set the time and day. All you wake at 6 am, leave at 8 am, return at work or asleep (assumes you have to Auto To change , see page 7 3. Select fan setting: ...saving levels while you're at 6 pm and go to Heat To change , see page 8 4. Then check the settings below and change , see pages 12-14).  Select system setting: Preset to bed at any time...
Owner's Manual - Page 7

... temperature Current day of week RTH8500 Temperature setting Fan setting System setting Current time WED 70 FAN Inside AUTO SYSTEM HEAT 6:01 AM 70 Set To Following Schedule Recovery Program schedule on (does not display when off) SCHED HOLD CLOCK SCREEN MORE Smart Response® Technology in effect (see page 15) Other display...
Owner's Manual - Page 8

... press DONE 6:02 AM DONE CANCEL To set the current time display, press CLOCK, then press s or t to advance the time more quickly. Note: The real-time clock should never require adjustment since it automatically updates for daylight savings time, and stores all date/time information. Note: To change the current week day display, see see System Setup in...
Owner's Manual - Page 9

Fan setting WED 70 FAN Inside AUTO SYSTEM HEAT 6:01 AM 70 Set To Following Schedule SCHED HOLD CLOCK SCREEN MORE Press FAN RTH8500 Press FAN to select fan operation, then press DONE. • On: Fan is always on. • Auto: Fan runs only when the heating or cooling system is on. 
Owner's Manual - Page 11

... temperature you want during the morning, until bedtime. Set to bed and the temperature you want overnight (usually an energy-saving level).  Save money by setting program schedules RTH8500 It's easy to the time you awaken and the temperature you want during the evening, until you leave for the day. WAKE 6:00 am 70...
Owner's Manual - Page 12

... much as 33%. (See next page to use EnergyStar® program settings. Operating Manual EnergyStar® settings for maximum cost savings This thermostat is pre-set 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 (Mon-Fri) 70 ° 62...
Owner's Manual - Page 13

... To To adjuWsEDt program Following Schedule schedules RTH8500 67:000 FAN Inside AM PrAeUTsOs SCHED ...time period. CANCEL PERIOD 6:00 AM 78 COOL Note: You can press CANCEL PERIOD to select day(s). 3. Press s or t to start 11 Press DONE to save & exit (or press CANCEL to set Wake time for each. 6. Press other time periods (LEAVE, RETURN, SLEEP) to exit without saving changes...
Owner's Manual - Page 14

... SCHED) to immediately adjust the temperature. To cancel the temporary setting at any time, press CANCEL (or SCHED). When the timer expires, the program schedule will be maintained only until the time you 've programmed for the current time period. This will resume. The program schedule will temporarily override the temperature setting for...
Owner's Manual - Page 15

...schedule. Press CANCEL (or SCHED) to cancel "Hold" and resume the program schedule. Program schedule override (permanent) RTH8500 Press HOLD Adjust temperature WED 70 FAN Inside AUTO SYSTEM 73 Set To Heat On HEAT 8:00 AM Permanent Hold SCHED... the temperature. This will be maintained 24 hours a day until you manually change it or press CANCEL (or SCHED) to resume program schedule 13
Owner's Manual - Page 16

... feature can suspend the program schedule for extended periods of days. Press to set will resume at the time you set the time of day you want , then press s or t to resume when you set time for the number of days have elapsed, the previously programmed schedule will be maintained 24 hours a day...
Owner's Manual - Page 17

... message "Wait" is 70° by the time you set to Auto, the thermostat automatically selects heating or cooling depending on the indoor temperature. When the system is reached at least 3 degrees apart. Special features RTH8500 Smart Response® Technology: This feature allows the thermostat to "learn" how long the furnace and air conditioner...
Owner's Manual - Page 18

... timer (30 seconds) Press SCREEN to clean the screen. The screen will remain locked for 30 seconds so you require more time for cleaning. Spray liquids onto a cloth, then use the damp cloth to lock the screen for cleaning. 30 OK TO ..., press DONE to resume normal operation, or press SCREEN again if you can clean the screen without changing any liquid directly on the thermostat.
Owner's Manual - Page 19

... Days RTH8500 If activated during installation, the furnace filter reminder alerts you when it is time to select the desired interval, then press DONE. 3. Press s or t to replace your filter. Press RESET after changing the filter, to save and exit. Press DONE to restart the timer. Press RESET. 4. DONE 17 To change reminder interval. FAN AUTO CHANGE FILTER...
Owner's Manual - Page 21

... alkaline batteries are correctly installed (see System Setup in your thermostat, please try the following suggestions. Display is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on lower • This button will remain blank unless the furnace filter change right of difficulty RTH8500 If you...
Owner's Manual - Page 22

Make sure the temperature is set cooling system higher than the Inside temperature. • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on . Wait 5 minutes for the system to Heat. Operating Manual In case of difficulty Heating or • Press SYSTEM to ...
Owner's Manual - Page 23

1-year limited warranty RTH8500 Honeywell warrants this product, excluding battery, to be free from defects in the possession of purchase by ...rights, and you may not apply to repair or replace the product within the terms stated above limitation may have any time during the warranty period the product is determined to be to you . If at any questions concerning this limitation may not...

Similar Questions

Ask a New Question
Use the box below to post a new question about this Honeywell product .
Points & Prizes
  • You can earn points for nearly everything you do on HelpOwl.com
  • You can trade in those points for gift cards at leading retailers such as Amazon.com and Walmart
  • It's that simple!
See How it Works
Create a Free Account

Honeywell Manuals

Find free Honeywell RTH8500 manuals and user guides available at ManualOwl.com. Try out our unique manual viewer allowing you to interact with manuals from directly within your browser!

Honeywell Reviews

View thousands of Honeywell user reviews and customer ratings available at ReviewOwl.com.

Contact Information

Complete Honeywell customer service contact information including steps to reach representatives, hours of operation, customer support links and more from ContactHelp.com.

Scoreboard Ratings

See detailed Honeywell customer service rankings, employee comments and much more from our sister site.

Honeywell Recalls

Find comprehensive Honeywell recall information updated hourly on RecallOwl.com.