Troubleshooting Guide; Faults During Charging - Kärcher Battery Power 18/50 Manual

ATTENTION
Moisture and heat
Risk of damage
Store the battery packs indoors only, at low humidity and at temperatures below 20 °C. If the battery pack
is stored at over 70 % power and has not been used for more than 21 days, storage mode is automatically
activated, which partially discharges the battery pack to 70 % power.
The battery pack display shows the current charging state during storage.

Troubleshooting guide

Malfunctions often have simple causes that you can remedy yourself using the following overview.
When in doubt, or in the case of malfunctions not mentioned here, please contact your authorised Customer
Service.
General fault
Display shows broken battery symbol
Battery pack is defective and disabled for safety.
1. Do not use the battery pack.
2. Dispose of the battery pack in the correct manner.
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Storage
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Faults during charging

Battery pack not charging, indicator lamp on quick charger off, display off
The quick charger is defective.
1. Replace the quick charger.
Battery pack not charging, display is on
Defective charger.
1. Replace the charger.
Battery pack not charging, indicator lamp on the quick charger is blinking, display is on
The battery pack temperature may not be within the normal range.
The quick charger is defective.
1. Observe the information per the display.
2. Replace the quick charger.
Battery pack not charging, display is off
Battery pack is completely discharged or defective.
1. Wait and see if the display shows the remaining charging time after a while. If the display
remains off then the battery pack is defective.
2. Replace the battery pack.
Battery pack not charging, display shows the temperature symbol
The battery pack temperature is too low / high.
1. Put the battery pack in a moderate temperature environment and wait until the battery pack
temperature returns to the normal range, see the "Technical data" chapter.
The charging process begins automatically.
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