Thermostat will not tolerate me adjust seem too be locked? turn temp up cant take it down when I turn it rotten...

turn temp up cant take it down when I turn it rotten thedisplay shows temp doesnt show off approaching it did in times past
Is it dodgy if a electric freezer leak?
Answers:    Usually when you turn off the system, it still displays the room heat, but it will not let you adjust the desired temp.

Sorry, but from your cross-question that's all I could do.
How to maintain our house thaw beside out...
Sorry not satisfactory information ,make, model, heat system type, electric, gas, warm nouns or radiator system?