The resistor R5 on the PWB for the Hakko 808 Desoldering Tool is a 1 ohm 1/2 watt wire wound resistor. We highly recommend that if this component has failed, the unit be returned to American Hakko for inspection and service.
To return your Hakko 808 Desoldering Tool, please contact our Customer Support Department and request a Case for evaluation of the unit is created