PerfectCharge W20
6
Maintaining and cleaning the battery
charger
Caution!
Do not use any hard or abrasive materials to clean the charger,
since they can damage the device.
➤ Clean the battery charger occasionally with a damp cloth.
7
Troubleshooting
If you have any detailed questions regarding the battery data,
please consult the battery manufacturer.
After you connect and start the battery charger, the battery voltage
does not rise
➤ Use a suitable multimeter during charging to determine whether the volt-
age is rising at the battery clamps.
➤ Check whether the clamps have unimpeded contact with the battery
poles.
➤ Clean the battery poles if necessary.
The battery is not completely charged after approximately 20 hours of
charging
➤ Isolate the battery charger from the power mains.
➤ Remove the charging clamps from the battery and wait a few minutes.
➤ Use a suitable multimeter to measure the voltage at the battery clamps.
12-V battery
If the multimeter displays a voltage of 10 V or less, it means that the battery
is defective and cannot be further charged.
➤ Have the battery checked by a specialist, or dispose of it if necessary.
Maintaining and cleaning the battery charger
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