Troubleshooting - Kärcher IP 55 Handbuch

Tightening torques
M3 1.1 Nm
M4 2.5 Nm
M5 5.1 Nm
M6 8.8 Nm
M8 21.4 Nm
M10 44 Nm
M12 88 Nm
M14 119 Nm
M16 183 Nm
M20 224 Nm
Opening the device
Danger!
Risk of accident while working on the appli-
ance. Carry out all the steps described in
Fault Possible cause
Indicator lamp "Oil The oil cooler ventilator is not functioning
temperature high" illu- properly
minates
Defective temperature switch
Indicator lamp "Motor
overload" illuminates
Indicator lamp "Cycle No extrusion
too long" illuminates
Defective positioning sensor
Direction of rotation of the hydraulic pump is
wrong.
Fault Possible cause
No dry ice snow pro- No liquid carbon dioxide in the supply line
duction
Valve EV5 blocked or defective.
Too much dry ice Valve EV5 will not close.
snow in the exhaust
Sintered bushing defective.
line
Water is dripping from Drain in the condensate collector or in the
the machine condensate line plugged.
the chapter "Shut down" before starting
anhy work on the device.
– The covers can be removed once the
screws have been taken off.
Maintenance Works
Oil change
Only change the oil while it is still warm.
Danger
Risk of burns due to hot oil!
Let the oil cool down to approx. 40 °C prior
to changing the oil.
Place a pan underneath the locking
valve to catch the oil.
Turn out the oil drain screw.
Open the locking valve and let all the oil
drain.
Close locking tap.
Fix in the oil drain screw and tighten it.
Unscrew the lid from the oil fill neck.
Fill in fresh oil until the oil level lies be-
tween the "MIN" and "MAX" markings.
Faults with display
Remedy
Check ventilator function of oil cooler, clean if
required. Call customer service in case of de-
fects.
Inform Customer Service.
Press "Reset" key. Restart the machine. If the
fault recurs, call customer service.
Check the extruder plate and the pistons for
damage; contact customer service if damaged.
Inform Customer Service.
Check the electrical connection.
Faults without display
Remedy
Wait until the liquid carbon dioxide has dis-
placed the gas in the line.
If the solenoid valve is functioning properly,
there will be an audible click when the carbon di-
oxide supply is switched off. Call customer serv-
ice if necessary.
Inform Customer Service.
Inform Customer Service.
Clean the drain and the condensate line.
For oil type refer to technical specifica-
tions.
Screw the lid onto the oil fill neck.
Switch on the machine and check the oil
level indicator while the machine is run-
ning. If required, top up oil carefully.

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.
Avoid bodily contact with dry ice.
Never put dry ice in your mouth.
By whom
Operator
Operator
Operator
Operator
Operator
Customer
Service
By whom
Operator
Operator
Operator
Operator
Operator
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