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Hello have a model 1f86-452 thomosta (cool and heat. After…

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Hello have a model 1f86-452...
Hello have a model 1f86-452 thomosta (cool and heat.
After the temperature reading there is a letter "E" what does this mean?
Mike Caponegro [email protected]
Thanks
Submitted: 8 years ago.Category: HVAC
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Answered in 12 minutes by:
6/13/2010
HVAC Technician: BillyHvac, Journeyman HVAC Tech replied 8 years ago
BillyHvac
BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 23,155
Experience: Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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Billy :

Hello, are certain about the last 3 digits?

Customer:

Yes I copied from the front cover.

Customer:

Bill thew temp read 86F E? Only other # XXXXX XXXXX in unit #9625de5?

Billy :

Sorry for the delay...it is not in the pdf files so I am digging through some manuals....is this a fairly old unit?

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