Have Monitor Direct vent Heater 2000+ model. Power dead loss seem to enjoy messed up control. Anyone own warning Heater still functions but the LED shows dashes or 0's and no...

Heater still functions but the LED shows dashes or 0's and no control buttens function. Do I entail a new computer and is it worth replacing as section is 5 years old.
Our mini refrigerator isn't working! Help?
Answers:    I would shut the breaker and consent to it sit for 5 minutes and then turn the breaker spinal column on. See what happens.