The AC wall outlet has no power. Check the outlet breaker.
The Bosch KL 1206 requires minimal maintenance but storing it correctly ensures longevity: bosch kl 1206 user manual new
Several experienced users have reported that when the charger stops working but the transformer feels warm, the issue is often a bad solder joint on the thyristor (SCR) . Resoldering this component on the circuit board has revived many “dead” units. The AC wall outlet has no power