Hot Melt Glue Gun is broken how to deal with?

Glue gun in the course of a normal, if not out of plastic, check to see whether there is fever if the glue gun glue guns can not be a normal fever, probably due to: glue gun power is not electricity; glue gun heater has burned out, such as hot glue gun to normal, because may be: plug the muzzle due to impurities, should be invited to professional treatment; rubber glue gun down Ershi strip thicker, this time simply strip edges gently pulled back while rotating a small part of the PVC Article thicker part of the cut, and then continue to use.