Until you get it replaced, your ADT system will not communicate with the monitoring station. You can purchase one from us or you can call ADT and have them come out and replace it. The only solution is to replace your radio with a 3G or 4G radio (a cell radio is part of your system and it connects your ADT system to the ADT monitoring station). It also could be a change in the environment (trees, buildings, construction, new roof or siding, etc.).īecause of the 2G cellular Sunset, all 2-3 year old alarm systems or older are going to have this issue now. It could just be routine maintenance or general problems.
This is usually the biggest culprit and usually from a temporary outage from your local GSM network. Why does the Check 103 error show up?Ĭheck 103 could show up if the cell radio loses cellular signal. Usually, it’s an issue with the cell radio. Check 103 errors can be confusing and in this blog, we will know clearly What is a check 103 error and how can I fix it.Ĭheck 103 is an error code that shows up on Honeywell ADT control panels if there is a problem with the cell or internet communication. You also could have this issue if you have a Honeywell Vista Panel. I want to pass on this information so if you have the same issue, you have something you can try.
But we were able to resolve the issue over the phone with them and ADT. We’ve had lots of ADT customers call in with a check 103 error on their safewatch quickconnect lynx plus keypad. What Is A Check 103 Error And How Can I Fix It?
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