Troubleshooting Guide - Kärcher AFG 100 Handbuch

Error description
The device cannot be switched on
The service LED lights up
Error code Error description
E1 Remaining operating time <220
hours.
E2 Air quality sensor defective.
The device is only capable of re-
stricted operation.
E4 Plasma unit power supply or con-
trol electronics defective.
The device is only capable of re-
stricted operation. Plasma cleaning
does not take place.
E5 Service life of the 3-stage filter car-
tridge expired.
The plasma electrode switches off.
Plasma cleaning does not take
place.
E6 Calibration of the air quality sensor
is faulty.
F2 Fan blocked/defective.
The plasma electrode switches off.
Plasma cleaning does not take
place and the fan is switched off.
F3 3-stage filter cartridge is not detect-
ed.
The plasma electrode switches off.
Plasma cleaning does not take
place and the fan is switched off.
F4 Internal communication error.
The device switches off.
F5 Plasma voltage too low.
Plasma cleaning does not take
place.
F6 Plasma voltage is too high.
Plasma cleaning does not take
place.
F7 The pre-filters have filtered the rec-
ommend maximum air volume and
have reached the end of their ser-
vice life.
Note
The pre-filter can emit odours under certain operating conditions. Switch the device off and replace the pre-filter if
necessary.

Troubleshooting guide

Troubleshooting
Error correction
 Check the mains voltage.
 Check that the control unit is inserted into the device and latched in place.
 Check that the 3-stage filter cartridge is inserted.
 Check that the pre-filters are inserted.
 Send the device for servicing.
 Display the error message.
Displaying error messages
 Follow the troubleshooting instructions.
Error code and error description
Error code and error description
Error correction
 Order replacement 3-stage filter cartridges.
 Replace the 3-stage filter cartridge by the end of the ser-
vice life at the very latest.
 You can no longer use the device in automatic mode.
 Send the device for servicing.
 If this error occurs seldom at irregular intervals: Switch the
device off and then on again after a few seconds.
 If this error occurs continuously: Send the device for ser-
vicing.
 Replace the filter now at the very latest.
 Send the device for servicing.
 Send the device for servicing.
 Check that the 3-stage filter cartridge is seated correctly.
 Check that the control unit is seated correctly.
 If the device does not start, send the device for servicing.
 Switch on the device.
 If the device does not start, send the device for servicing.
 Switch the device off and then on again after a few sec-
onds.
 This error can occur when the device is operated using a
heavily fluctuating mains voltage.
 If the device does not start, send the device for servicing.
 Switch the device off and then on again after a few sec-
onds.
 If the device does not start, send the device for servicing.
 Replace or clean the pre-filter.
 Reset the air volume calculation by pressing the "-" button
while the error code F7 is displayed.
English 19