| Problem | Possible Cause | Solution | | :--- | :--- | :--- | | Red LED flashes | Battery temperature out of range | Let battery cool/warm up to room temperature. | | No LED when plugged in | No mains power / Defective charger | Check outlet / Replace charger. | | Battery gets very hot | Old battery or incorrect battery type | Replace battery. Do not use Li-Ion in this unit. | | Very short run time | Battery not fully charged (memory effect) | Fully discharge and recharge Ni-Cd battery 2-3 times. |
The KL 1208 contains electronic components and a transformer. Do not throw it in household trash.
| Problem | Possible Cause | Solution | | :--- | :--- | :--- | | Red LED flashes | Battery temperature out of range | Let battery cool/warm up to room temperature. | | No LED when plugged in | No mains power / Defective charger | Check outlet / Replace charger. | | Battery gets very hot | Old battery or incorrect battery type | Replace battery. Do not use Li-Ion in this unit. | | Very short run time | Battery not fully charged (memory effect) | Fully discharge and recharge Ni-Cd battery 2-3 times. |
The KL 1208 contains electronic components and a transformer. Do not throw it in household trash. bosch kl 1208 battery charger manual