Even well-known and trusted thermostats such as the Carrier models can encounter problems. One of the most frustrating problems for a homeowner is when the Carrier thermostat’s screen goes blank. When it happens, the immediate reaction of the homeowner is almost always: “What can I do to rectify the issue?”  However, the problem is that many homeowners don’t know whether it is possible to troubleshoot the problem themselves, and if it is possible, they don’t know where to start.  The good news is that homeowners can troubleshoot their Carrier thermostats whose screens have gone blank and can, in most instances, repair the faults themselves. The troubleshooting and reparation procedures are relatively easy for DIY-ers. An HVAC professional is only necessary when the troubleshooting indicates that either the thermostat or another HVAC device is malfunctioning or broken. In this article, we’ll have a look at the most common reasons why a…