Aube thermostat cannot unlock the keypad

Old 04-01-19, 07:17 AM
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Aube thermostat cannot unlock the keypad


I have an Aube thermostat, model TH146-N-2H1C/U. It has been working fine for many years but recently the keypad got locked and I cannot change any settings now. The screen back-light turns on when I press any button but nothing else happens.

In the manual I found the info about the keypad lock switch but the unit does not react to switching it on/off in any ways.

I would appreciate any advice or suggestions,

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