How To Solve Nest Thermostat Error E157 - The Nest thermostat isn't physically detecting your Y1 - YouTube
Thermostat Wire Color Codes You Need to Know | AireServ
Smart Thermostat RTH9585WF install to replace Google Nest Thermostat | DIY Home Improvement Forum
How To Fix O/B Wire Issue On Honeywell Home Pro Series T6 - YouTube
Heat Pump without OB wire. How to wire to electronic thermostats? (like Nest) - DoItYourself.com Community Forums
Wiring question on Thermostat - O/B & W : r/hvacadvice
The RiteTemp Support Site - Y, O, B, G, R, C* Wiring Steps
W/O-B wire from Honeywell thermostat : r/ecobee
OB Wire for Thermostat Not Detected : r/Nest
Wyze Thermostat Problem - Heat and Air are mixed up using recommended wiring - #54 by speadie - Home - Wyze Forum
What am I doing wrong? AC won't cool. Labels of cables match old thermostat. Settings match (heat pump / 2 stage / OB wire on cool). : r/smarthome
My Nest isn't detecting my OB wire and is blowing hot air, but our outdoor heat pump is blowing cold air. Any ideas for next steps? Pic of wires for reference :
Issue Resolved: heat pump unit with no dedicated OB wire. : r/Nest
Where does the black E wire go into the Nest thermostat? : r/Nest
I'm getting heat when calling for air conditioning
Help with this Install please, I have a separate wire for w2 and OB, what to do since they are combined on Ecobee : r/ecobee
Nest thermostat star connector - Google Nest Help
Can anyone help with figuring out wiring for the Thermostat? O/B vs O and B separate - Home - Wyze Forum
hvac - Nest Thermostat Wiring problem - Heat does not work - Home Improvement Stack Exchange
Is that Orange wire for W or O/B? Did I install my ecobee correctly.. : r/electrical
Wiring in an Amazon Thermostat. Brown is throwing me off. On my American standard it was labeled as W2/X2. Per instructions my W2 should be White and W should be empty. Any
What All Those Letters Mean on Your Thermostat's Wiring | iFixit News
