Honeywell T8001 Support Question
Honeywell T8001 Support Question
Find answers below for this question about Honeywell T8001.Need a Honeywell T8001 manual? We have 1 online manual for this item!
Question posted by Besskartsunes on July 6th, 2021
There Is No Display On The Screen
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Current Answers
Answer #1: Posted by techyagent on July 6th, 2021 3:23 PM
techyagent
Member since:
June 17th, 2014 Points: 4,799,790
Member since:
June 17th, 2014 Points: 4,799,790
If your thermostat doesn't run on batteries and is wired directly to your home's electrical system, a blank screen may indicate that there is no power going to the unit. What can cause this to happen? It could be due to a tripped breaker or a problem with the wiring.
https://www.4abc.com/blog/how-to-fix-a-blank-honeywell-thermostat
https://www.fixya.com/support/t488500-honeywell_t8001c
Please check this video tutorial
Thanks
Techygirl
Answer #2: Posted by SonuKumar on July 7th, 2021 9:50 AM
SonuKumar
Member since:
May 9th, 2021 Points: 16,621,300
Member since:
May 9th, 2021 Points: 16,621,300
https://www.youtube.com/watch?v=aogWvwYx3fs
https://www.youtube.com/watch?v=Y3EX2YhnOeo
https://www.youtube.com/watch?v=sHtcFTZUUg8
https://www.youtube.com/watch?v=DLYW78mHfbA
Why is there no display on my Honeywell thermostat?
If your thermostat doesn't run on batteries and is wired directly to your home's electrical system, a blank screen may indicate that there is no power going to the unit. What can cause this to happen? It could be due to a tripped breaker or a problem with the wiring.
How do I fix the black screen on my Honeywell thermostat?
If you've been away or haven't noticed this warning and the batteries can no longer provide power to the screen, it will go blank. This is easily fixed by removing the cover on the wall unit and replacing the batteries. You may have to reset the unit and reprogram your settings once the display returns.
Why is the display on my thermostat not working?
If your thermostat wall does not have a c-wire, or common wire, your thermostat most likely is not hooked up to your HVAC system for its power and needs batteries. When your screen is blank, it could indicate you need to replace the batteries. ... Most thermostats display a low-battery symbol when the juice is running low
How do I reset my thermostat after changing the battery?
Here are the step-by-step directions:
Turn your thermostat off by switching it to the off position.
Open the battery door. ...
Remove the batteries.
Insert the batteries backward so the negative sides line up to the positive terminal for five seconds.
Remove the backward batteries and place them in the normal way.
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Regards,
Sonu
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Related Honeywell T8001 Manual Pages
Owner's Manual - Page 1
T8000, T8001,T8002, T8011, T8024 Programmable Thermostats
OWNER'S GUIDE
1
6699-1-1443311-1-1
Owner's Manual - Page 2
...in this manual, your thermostat automatically controls the temperature ...
• Programs permanently held in nonvolatile memory in your new Honeywell programmable thermostat.
Features
• Program up to four time periods with your home, saving...at 1-800-468-1502. Your new programmable thermostat is designed to a comfortable level of power failure.
• Indefinite temperature hold....
Owner's Manual - Page 3
... ...7
Setting Current Time and Day ...8 Setting Weekday Program ...9 Setting Weekend Program ...10 Setting Temporary Temperature Hold 13 Setting Indefinite Temperature Hold 13 Operating Thermostat ...13 Setting SYSTEM and FAN Switches 13
Replace the Batteries (T8002 Only 14 Backlighting (Select Models 14 Minimum Off-Timing ...15 Troubleshooting ...16 Customer Assistance ......
Owner's Manual - Page 4
... AND TEMPERATURE. • SET TEMPORARY TEMPERATURE HOLD.
Key Locations and Descriptions
INCREASE ▲ KEY
• PROGRAM TIME AND TEMPERATURE. • SET TEMPORARY TEMPERATURE
HOLD. T8000, T8001
PM
T8011, T8024
TUE
MODELS
Hold
Select
PM TUE
Hold
Select
T8002 MODEL
AuFtoANOn
FAN SWITCH
CoolSOYfSf THEeMat
HOLD KEY • SET TEMPORARY TEMPERATURE HOLD...
Owner's Manual - Page 5
... the preprogrammed time and temperature settings in the weekday and weekend times and temperatures you decide not to plan your program. Table 1. Before programming the thermostat, you can be set for four time periods per day for weekdays and weekend.
Planning Program Schedule
The thermostat display shows day, time, program period, and temperature.
Owner's Manual - Page 7
... temperature while you are available during cooling season.)
Return is the time the thermostat turns on the heating/cooling equipment after an energy saving period. When deciding what... depending on the heating/cooling equipment after an energy saving period. Wake is the time the thermostat turns on the outside temperature and your equipment response
7
time, to give the equipment a head...
Owner's Manual - Page 8
... to set for an energy-saving temperature while you can damage the keyboard. To set current time, press Select twice.
M12591A
8
69-1431-1 Sleep is displayed.
2. Sharp instruments like pens and pencil points can set current
time. Press ▲ or ▼ SET to raise the cool temperature during the night.)
IMPORTANT...
Owner's Manual - Page 9
...
SET
temp-
M18570
b. erature.
5. Press ▲ or ▼ to set
Wake
SET
temp- A flame (heating) or a snowflake (cooling) appears in the right side of the display, when setting the program temperature.
3.
Leave
a. erature. Press Select.
Press ▲ or ▼ to set
Return
SET
time. Press Select. Press Select. Press ▲ or...
Owner's Manual - Page 12
Programming is active, the letters Hld are displayed continuously. TEMPORARY
PM
NOTE:
WED
M12640A
The temporary temperature ... or ▼ key to indefinitely hold a temperature. The thermostat reverts to set indefinite temperature setting.
To cancel, press Hold twice. Press ▲ or ▼ key to displaying SET the current day time and temperature in effect until the ...
Owner's Manual - Page 13
... select the desired fan setting.
Heat and Cool Indicators: Indicates a call for heat.
Slide the FAN switch in the lower right corner of the thermostat to select the desired system setting. FAN settings: Auto: Fan operates with equipment. Indicates a call for cool. Off: Both the heating and cooling are off. ...
Owner's Manual - Page 14
... program does not require resetting; Back Lighting (Select Models)
Any key pressed lights the display for one to two months before the batteries run low, your thermostat shows a "bAt Lo" message in the digital display. The message flashes for approximately ten seconds. The batteries are located on the right side of battey power...
Owner's Manual - Page 15
... off -timer. A flashing flame or snowflake indicates the minimum off -timer operates in cooling on the T8000 and T8001, T8002, T8024 (multistage model) and in effect.
15
69-1431-1 Minimum Off-Timing
The thermostat minimum off-timer assures that the compressor does not come on the T8011 (heat pump model). Power interruption...
Owner's Manual - Page 16
Troubleshooting
Symptom Display does not come on the wallplate.
• Check if the circuit breaker is tripped-reset the circuit breaker.
• Check if the fuse is blown-replace the fuse. • Check if the switch at the equipment is mounted and latched on the wallplate-mount and latch the thermostat on . continued...
Owner's Manual - Page 17
... system to respond. • Set SYSTEM switch to Heat. • If the temperature setting is higher than the current room
temperature and the flame is displaying, the thermostat is in the Off
position-set to On position. • Wait five minutes for assistance.
Action
• Check if the circuit breaker is tripped...
Owner's Manual - Page 18
... system to respond. • Set SYSTEM switch to Cool. • If the temperature setting is lower than the current room
temperature and the snowflake is displaying, the thermostat is in the Off
position-set to On position. • Wait five minutes for assistance.
Symptom Cooling does not come on.
Owner's Manual - Page 19
... flame or snowflake and then check the registers. Customer Assistance
If you have any questions concerning the operation of your thermostat, please visit us at www.honeywell.com or call the thermostat information helpline at 1-800-468-1502.
19
69-1431-1
System on indicator
or is lit, but no warm or cool...
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