Faulty thermostats can cause AC and heater issues. A furnace and/or AC that won’t turn on usually has a power supply issue or a tripped limit switch. Limit or safety switches turn off the system when a malfunction occurs. Some of these safety switches must be manually reset before the system will turn on again.

Intermittent cooling is often caused by the components of your vehicle’s AC system freezing up. Typically an iced over evaporator is the culprit. There may be numerous issues causing the icing—from a dirty cabin air filter to a blocked evaporator drain or an overcharged system.

It could be an issue with the cooling fan, a clogged filter, or maybe even the condenser. While problems with your air conditioning are tricky to diagnose, they don’t always require a trip to the auto shop to fix them. Here are some tips to help you diagnose your vehicle’s AC problem.

A permanent hold on your thermostat means you can keep it at one of its temperature settings until you change it manually. A temporary hold allows you to keep the thermostat in a temperature setting until its next scheduled period (Awake, Leave, Return or Sleep).

By pressing “Hold”, your thermostat will lock in the temperature it’s currently at until you change it again. When you are ready for your normal schedule to resume, simply press the “Run” button and return to your typical programming.

A Hold message on a Honeywell Thermostat tells the thermostat to maintain the HVAC system for the building at a set temperature. The temperature will be maintained until the Hold expires or the temperature is manually changed. In other words, a Hold is a command that overrides the set temperature.

Yes, of course. A factory reset will delete all the existing data on your phone. This includes your photos, videos, music, app data, Safari bookmarks, notes, call logs, calendar, and even saved settings.

Android phones do not have a system restore feature as on Windows computers. If you wish to restore the OS to the version you had on that date (if you installed an OS update), see the first reply. It’s not easy, and will result in a device without your data. So back up everything first, then restore it.

It will not remove the device’s operating system (iOS, Android, Windows Phone) but will go back to its original set of apps and settings. Also, resetting it doesn’t harm your phone, even if you end up doing it multiple times.

A factory data reset erases your data from the phone. While data stored in your Google Account can be restored, all apps and their data will be uninstalled. To be ready to restore your data, make sure that it’s in your Google Account.

After encrypting your phone data, you can safely Factory reset your phone. However, it should be noted that all data will be deleted so if you would like to save any data make a backup of it first. To Factory Reset your phone go to: Settings and tap on Backup and reset under the heading “PERSONAL”.