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7
Troubleshooting
Danger
Risk of accident while working on the appliance. Before you start
working on the unit, close the compressed air supply, open the
pressure relief valve, empty the dry ice container, disconnect the
unit from the power supply and from the compressed air supply..
Danger
Risk of cold burns on account of dry ice or cold parts of the ma-
chine. While working on the machine, wear appropriate safety gear
for protection against cold or remove dry ice and let the machine
heat up.
7.1
Faults with display
Display
Indicator lamp
(KL)
E001
KL control volt-
age 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
18
English 5.906-469.0 Rev. 00 (08/08)
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 device and the
jet pistol is faulty.
Short in jet pistol or control cable
Fault in the compressed air regulator
valve
The trigger of the jet pistol was activated
during the switch-on process or the re-
leasing of the emergency stop key.
Never put dry ice in your mouth.
Remedy
Turn off the appliance, wait briefly, turn on the
appliance once again.
Have the socket checked.
If this error recurs, please contact the Kärcher
customer service department
Release emergency-stop button by turning.
Increase the pressure.
Turn off the appliance, wait briefly, turn on the
appliance once again.
Turn off the appliance, wait briefly, turn on the
appliance once again.
If this error recurs, please contact the Kärcher
customer 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 cable.
Call Customer Service.
Release the trigger of the jet pistol.
By whom
Operator
Operator
Operator
Operator
Operator
Operator
Operator
Operator
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