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Problem with W2/aux

Miketyler
Community Member

I have a Lennox heat pump system. Home is all electric and system is 2 stage heat, single stage cool. The thermostat is noting a problem code e106 for wiring issue on W2 aux. The unit senses equipment installed on the diagram below. However I don’t think the aux heat is actually working. I’ve tested the heat strips and there is no open circuit. Heat pump heat seems to work fine. Should aux heat wire be connected on W1 instead? Also note that the temp setting for “when to use heat pump compressor” only has “always” option showing. Seems like its not seeing heat strips installed?

 

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4 REPLIES 4

Miketyler
Community Member

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Ryan_G
Community Specialist
Community Specialist

Hi Miketyler,

 

Thanks for reaching out and we're sorry for the delay.

 

Based on the post details, you have a heat pump with a 2 stage heating. The O/B (orange) wire acts as the first stage of cooling and heating at the same time. With this, we could connect the white wire to the W1 instead for the second stage of heating.

 

Let me know how it goes by replying to this thread.

 

Best regards,

Ryan

Ryan_G
Community Specialist
Community Specialist

Hey Miketyler,

 

I just wanted to follow up and see if you still need help? Please let me know, as I would be happy to answer any questions you may have.

 

Best regards,

Ryan

Ryan_G
Community Specialist
Community Specialist

Hey there,

 

Just wanted to jump in here to check to make sure that you saw our response. Please let us know if you have any other questions or concerns as I will be locking this in 24 hours.

Have a great day.

 

Best regards,

Ryan