: Poor contact or disconnected wires within the handle or at the aviation connector. Control Board Issues

Use a multimeter to measure the resistance of the heater. If there is no continuity (infinite resistance), the element is broken. 2. Inspect the Handle Wires

The is a popular portable digital hot air rework station. If you are seeing an error (or the station is not functioning correctly), it is usually related to the heating element, the temperature sensor, or the airflow.

: Sometimes simply removing and re-installing the element can clear oxide buildup that causes intermittent errors. American Hakko Replacement and Repair