The Trials of the Temperamental Thermistor

Anyone else get a bit of a chuckle when the equipment needs a ‘spa day’? I had a thermistor that only worked if it was at exactly 72 degrees, like it was on a tropical vacation. It’s funny in hindsight, but the downtime was a headache! How do you all handle these temperamental machines while keeping an eye on costs?

‌⁠‍⁠​‍​‍‌⁠‌​​‍​‍​⁠‍‍​‍​‍‌‍⁠‌‌‍‌‌‌‍‌​‌‍‍‌‌‍​⁠‌‍​‌‌‍⁠​‌‍‌‌‌⁠​‌‌⁠‌‌‌‍‍‌‌⁠​​‌‍⁠‌‌‍‌‌‌‍⁠‍‌⁠‌​​‍​‍​‍⁠​​‍​‍‌‍‍⁠​‍​‍​⁠‍‍​‍​‍‌‍⁠‍‌‍‌‌‌⁠‌⁠‌‌⁠⁠‌⁠‌​‌‍⁠⁠‌⁠​​‌‍‍‌‌‍​⁠​‍​‍​‍⁠​​‍​‍‌‍‍‌‌‍‌​​‍​‍​⁠‍‍​‍​‍‌‍⁠‍‌‍‌‌‌⁠‌⁠​‍​‍​‍⁠​​‍​‍‌‍‌​​‍​‍​⁠‍‍​‍​‍​⁠​‍​⁠​​​⁠​‍​⁠‌‍​⁠​​​⁠‍‌​⁠​‍​⁠​​​‍​‍​‍⁠​​‍​‍‌‍‍​​‍​‍​⁠‍‍​‍​‍‌⁠‍‍​⁠​​‌‌​‍‌‍‍⁠‌⁠‌⁠​⁠‌​‌‌‍​‌‌​⁠‌​‌⁠‌​‌‌‌‌‍​‌‍‌​​⁠​‌‌‍⁠‌‌‍‍‍‌⁠‌​​‍​‍‌⁠⁠‌​