Maintenance Works; Faults With Display; Troubleshooting - Kärcher IB 7/40 Classic Instrucciones De Uso

Maintenance Works

Replace the filter insert in the water sep-
arator.
1 Screw
2 Lower part
3 Nut
4 Disc
5 Filter inlay
6 Upper section
 Loosen 4 screws.
 Remove the lower part.
 Unscrew the nut.
 Remove the disc.
Display Indicator lamp
(KL)
E001 KL control voltage
glows red
E002 KL emergency stop
glows red
E003 KL compressed air
glows red
E004 KL dosing glows
red
E005 KL jet pistol glows
red
E006 KL jet pistol glows
red
E007 KL compressed air
glows red
E008 KL jet pistol glows
orange
 Remove the filter inlay and replace it
with a new filter inlay.
 Reassemble the water separator in the
reverse sequence.
According to the specifications of BDV D
26, the following tests must be conducted
by a technical expert. The results of the
tests must be documented in a test report.
The device operator must carefully store
the test report until the next test.
After a working break of more than one
year
 Check the device to see that it is in a
proper condition and is functioning well.
After changing the installation site
 Check the device to see that it is in a
proper condition, is functioning well and
has been installed properly.
The operational safety of the device
can get hampered on account of main-
tenance jobs or any modifications that
have been done.
 Check the device to see that it is in a
proper condition, is functioning well and
has been installed properly.

Faults with display

Possible cause
Control voltage too low
Emergency-stop button has
been pressed.
Pressure of the compressed air
supply too low
Interference in the dosing
Connection between the de-
vice and the jet pistol is faulty.
Short in jet pistol or control ca-
ble
Fault in the compressed air
regulator valve
The trigger of the jet pistol was
activated during the switch-on
process or the releasing of the
emergency stop key.
Tests
Remedy
Turn off the appliance, wait briefly, turn on the appli-
ance once again.
Have the socket checked.
If this error recurs, please contact the Kärcher cus-
tomer service department
Release emergency-stop button by turning.
Increase the pressure.
Turn off the appliance, wait briefly, turn on the appli-
ance once again.
Turn off the appliance, wait briefly, turn on the appli-
ance once again.
If this error recurs, please contact the Kärcher cus-
tomer service department
Check for correct connection of the couplings in the
control line.
Check control cable for damages.
Replace the jet pistol or the jet hose with a control ca-
ble.
Call Customer Service.
Release the trigger of the jet pistol.
7
-
EN

Troubleshooting

Danger!
Risk of accident while working on the appli-
ance. Carry out all the steps described in
the chapter "Shut down" before starting
anhy work on the device.
Danger
Risk of cold burns on account of dry ice or
cold parts of the machine. While working on
the machine, wear appropriate safety gear
for protection against cold or remove dry
ice and let the machine heat up.
Never put dry ice in your mouth.
By whom
Operator
Operator
Operator
Operator
Operator
Operator
Operator
Operator
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