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VT1001 talking thermostat has started saying “two sixty four”

Home Improvement Asked on December 29, 2021

I have a energy star rated VT1001 talking thermostat installed sometime in the early to mid 2000s. This morning it began to periodicall speak the words “two sixty four” (264). I cannot find anything to explain to me what this means. I have located and obtained a user manual for a smilar thermostat from the same manufacturer but this gives no explanation.

When this occurs then the light button no longer iluminates the lcd display. However, pressing the report button does illuminate the display and immediately produces the phrase 264 as discribed above.

Can anyone here tell me what this message means?

2 Answers

Probably not much help two years later but I was able to fix mine by cleaning the contacts on the circuit board with isopropyl alcohol for the up/down and light buttons. Seems it gets gummed up after years of use. Of course, take the batteries out before cleaning it.

Answered by Zack on December 29, 2021

Replace the unit. I inferred that the spoken numbers were likely the firmware version and conveyed no additional information. There are newer units on the market which are trivial to install and which have the same or better features that cost (2018) in the range of $50-$75CAD ($35-$55USD).

Answered by James B. Byrne on December 29, 2021

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