Instructions

13. Troubleshooting
No function or no display
Hastheroundconnectorofthepoweradapterbeinsertedintothesocketonthecharger?
Isthepoweradaptercorrectlyinsertedintothemainssocket,ismainsvoltageavailable?
The inserted battery is not recognised (“null” on the display)
Thebatterycontactsareoxidised/highlyresistive.Cleanthebatterycontacts.
The battery has discharged deeply or is faulty.
Checkwhetherthebatteryhasbeeninsertedcorrectly;tryadifferentbatteryslotasatest.
After the charging process, the battery runs at again quickly when used
Use a lower charging current. Depending on the battery quality, the charger may end the
charging process at a high charging current, even though the battery is not full. Note the
battery manufacturer’s instructions, if applicable.
The battery has aged.
WithNiCdbatteries,theremay beamemory effectinpartiallydischargedbatteries.This
causesthebatterytolosecapacity.Usethe“CHARGETEST”operatingmodeforthebattery.
Here,thebatteryisrstcharged,thendischargedandnallyrechargedagain.
The displayed capacity is too low.
The battery was not completely empty before charging.
Use a lower charging current. Depending on the battery quality, the charger may end the
charging process at a high charging current, even though the battery is not full.
The battery gets warm during charging or discharging
This is normal, especially when using higher charging/discharging currents.
The display illumination is off
The display illumination automatically goes out after several seconds. It comes back on when
a key is pressed.
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