Troubleshooting Common Problems

In order to reduce the number of moving parts, subject to wear or damage, Guardian telephones are equipped with a magnetic reed hook switch. a. Model EXT-401 The EXT-401 contains a magnet midway [...]

If the telephone reception is very weak or the phone functions intermittently, it is likely that the unit has been installed too far from the switch (private branch exchange/PBX) or too many [...]

By far the most common problem is connecting the telephone to the wrong power supply. All telephones are to be connected to the telephone line. This line is not the same as standard building [...]