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Vincevl
Community Member
since ‎07-11-2023
‎07-21-2023

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E195 Error but I have 27V at the red wire at both the furnace and the Nest base

07-11-2023
Hi All,We had a storm go thru today and I discovered my NEST is now displaying the error message E195. No circuit breakers were tripped. At the furnace I measure 27V between R and C and zero between W and C.At the NEST base terminal block I measured ...