Honeywell TH5220D1003 - Digital Thermostat, 2h Support Questions
View all Honeywell TH5220D1003 - Digital Thermostat, 2h questions
UPC - 085267261975
Free Honeywell TH5220D1003 manuals!
Problems with Honeywell TH5220D1003?
Ask a Question
Free Honeywell TH5220D1003 manuals!
Problems with Honeywell TH5220D1003?
Ask a Question
1 - 15 out of 83
All Honeywell Questions
Honeywell - 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 admit...
Woke up cold this morning. The thermostat was set on 40 degrees. It was 51 in the room. No one admit...
(Posted by Dgonano1 1 year ago)
Honeywell - Not Getting Power To The Thermostat But All Breakers Are On
thermostat no power
thermostat no power
(Posted by Anonymous-173425 1 year ago)
Honeywell - Thermostat Th5220d1003 Automatically Changes Temp To 50
It automatically went down to 50 and any attempt to increase temp it reverted to 50. Tech who instal...
It automatically went down to 50 and any attempt to increase temp it reverted to 50. Tech who instal...
(Posted by Gifflix 1 year ago)
Honeywell - Can't Get System To Turn On. Buttons Aren't Doing Anything
Push the button and nothing is happening. It lights up and 70 system off. Where is the button to get...
Push the button and nothing is happening. It lights up and 70 system off. Where is the button to get...
(Posted by christopherdnuckols62 2 years ago)
Honeywell - How Do You Replace Batteries And Restart?
thermostat was flashing that batteries needed replacement. We replaced batteries but thermostat is b...
thermostat was flashing that batteries needed replacement. We replaced batteries but thermostat is b...
(Posted by samduck1 2 years ago)
Honeywell - Possible Thermostat Malfunction, Causing Problems For Growing Plants.
Hello. I work in a medicinal marijuana grow, and have 15 grow lights running. We were using a Rheem ...
Hello. I work in a medicinal marijuana grow, and have 15 grow lights running. We were using a Rheem ...
(Posted by alan1breath 5 years ago)
Honeywell - Heat Won’t Go To Desire Temp Set
Set thermostat on heat temp but won't kick on unless set up on a high degree
Set thermostat on heat temp but won't kick on unless set up on a high degree
(Posted by cak7 5 years ago)
Honeywell - Thd5220d Is Not Sending Current To The Reversing Valve When Cooling Is Turned On
This has happened 3 times now. Sometimes if I just keep on cycling it from heat to cool over and ove...
This has happened 3 times now. Sometimes if I just keep on cycling it from heat to cool over and ove...
(Posted by tfhuffs 6 years ago)
Honeywell - Display Isn't Lit
the display isn't consistently working, the AC stays on even though the display is off. This is hard...
the display isn't consistently working, the AC stays on even though the display is off. This is hard...
(Posted by Toolgirl34942 6 years ago)
Honeywell - Honeywell Th5220d1003 Thermostat
The AC is working, cycling on and off, set at 79 degrees, but the fan will not stop running in auto....
The AC is working, cycling on and off, set at 79 degrees, but the fan will not stop running in auto....
(Posted by inletway 6 years ago)
Honeywell - Honeywell Th5220d1003 Owners Manual Will Not Go Below 70
(Posted by obi99mid 9 years ago)
Honeywell - How Do I Change The Temp Range On My Honeywell Th5220d1003 Thermostat
(Posted by rejm 9 years ago)
