Kärcher HDS 4.0/20-4 Eg Manual Del Usuario página 16

PREVENTIVE MAINTENANCE AND SERVICE
• Backflow valve stuck
• Remove the detergent hose and loosen the backflow
valve using a blunt object.
Burner does not Start
Fuel tank empty
• Refill fuel.
Water shortage
• Check water supply, check connections.
Fuel filter dirty
• Change fuel filter.
No ignition spark
• If device is in use and no ignition spark can be seen
through the viewing glass, have device checked by
customer service.
Set Temperature is not Achieved While
Using Hot Water
Working pressure/flow rate too high
• Reduce working pressure/flow quantity at the pressure/
volume regulator in the pump unit.
• Sooty heating spiral
• Have device de-sooted by customer service.
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If malfunction can not be fixed, the device must be
checked by customer service.
ACCESSORIES AND SPARE PARTS
Note: When connecting the appliance to a chimney or if
the device cannot be accessed visually, we recommend
the installation of a flame monitor (option).
Only use original accessories and spare parts, they ensure
the safe and trouble-free operation of the device.
For information about accessories and spare parts,
please visit www.kaercher.com.
Operating Manual HDS Premium 9.808-215.0
CUSTOMER SERVICE