Technical Data; Troubleshooting Guide; Error Correction - Kärcher CVH 2-4 Bedienungsanleitung

We recommend replacing the HEPA filter every 6
months based on your use of the device.
1. Unlock the dust container.
Illustration K
2. Unplug the filter set from the dust container. Turn the
filter cover counterclockwise. Remove the filter cov-
er, unplug the HEPA filter from the steel filter.
Illustration L
3. Clean the HEPA filter, and carefully empty / knock
the dirt out of the HEPA filter.
Illustration M
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.
Fault
The device is not working.
Charge indicator
LED flashes slowly three times
every 3 seconds and the motor
is off.
LED flashes slowly four times
every 3 seconds and the motor
is off.
LED flashes slowly five times
every 3 seconds and the motor
is off.
LED flashes slowly six times
every 3 seconds and the motor
is off.
LED flashes quickly three times
every 3 seconds and the motor
is off.
LED flashes quickly four times
every 3 seconds and the motor
is off.
Electrical connection
Battery pack nominal voltage

Troubleshooting guide

Possible cause
The battery pack is not sitting proper-
ly in the device.
The charging state of the battery pack
is too low.
The battery pack is overheated.
The battery pack or charger is defec-
tive.
Error codes and error descriptions
Error description
Battery pack temperature too high.
Battery pack temperature too low.
PCBA over current protection.
PCBA high temperature protection.
Battery temperature sensor error.
Machine temperature sensor error.

Technical data

4. Empty the dust container, and rub down inside using
a cloth.
Illustration N
5. Clean the filter cover, steel filter, HEPA filter and
dust container under running water.
Illustration O
6. Allow the filter cover, steel filter, HEPA filter and dust
container to dry completely.
Illustration P
7. Insert the filter set into the dust container, and turn
the dust container clockwise to latch into place.
Illustration Q
As the battery pack ages, even if it is looked after, the
battery capacity reduces such that the full run time will
no longer be reached when fully charged. This does not
indicate a defect.
Remedy
1. Push the battery pack into the battery
mount on the device until it you feel it latch
into place.
1. Charge the battery pack, see chapter Bat-
tery pack charging.
1. Take the battery pack out of the device and
let it cool down, see chapter Removing the
battery pack.
Note
The battery pack can get very warm.
2. Do not the place the device and battery
pack in direct sunlight.
1. Replace the battery pack or charger, see
chapter Intended use.

Error correction

1 Allow the device to cool down or change
the battery pack.
2 Operate and store the appliance at tem-
peratures usual for living areas.
1 Allow the device to heat up or change the
battery pack.
2 Operate and store the appliance at tem-
peratures usual for living areas.
1 Check if anything stuck inside.
1 Allow the device to cool down or change
the battery pack.
1 Change the battery pack.
1 Change the battery pack.
CVH 2-4
V 3.6 - 3.7