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English 23
DANGER
The device can start unintentionally.
The high-pressure water jet or impelled parts can cause
injuries.
Set the power switch to 0/OFF and actuate the trigger of
the high-pressure gun until the device is depressurised
before eliminating a malfunction.
Resetting the indicator lamp
1. Set the power switch to "0/OFF".
2. Wait for a few seconds.
3. Set the power switch to the "I/ON" position.
Operating mode display
Continuous green light
The device is ready for operation.
Fault display
Continuous red light
Water shortage
The device does not run.
1. Check the mains voltage.
2. Check the mains cable for damage.
3. Check if the water shortage safeguard indicator light
lights up red.
a Check the water supply pressure, the minimum
value is specified in "Technical data".
b Set the power switch to "0/OFF".
c Set the power switch to the "I/ON" position.
4. If the device overheats:
a Set the power switch to "0/OFF".
b Allow the device to cool down.
c Set the power switch to the "I/ON" position.
5. Contact Customer Service in the case of electrical
faults.
Device does not reach required pressure
1. Check the bursting disc (see section "Checking/re-
placing the bursting disc").
2. Check the size of the nozzle.
3. Clean the nozzle and replace if necessary.
4. Replace the filter insert.
a Unscrew the filter casing.
b Renew the filter insert.
c Close the filter casing.
5. Vent the device (see chapter "Venting the device").
6. Check the water supply line to the pump for leaks or
blockages.
7. Contact Customer Service if necessary.
The high-pressure pump knocks
1. Check the water supply line to the pump for leaks or
blockages.
2. Vent the device (see chapter "Venting the device").
Checking/replacing the bursting
disc
If the bursting disc is faulty, water escapes to the open
out of the bursting disc holder during operation.
DANGER
Risk of injury
The overpressure protection can fail if the bursting disc
is installed incorrectly. An uncontrolled high-pressure
water jet can be emitted or device parts can burst and
cause injuries through flying parts.
Install the bursting disc correctly. If in any doubt, contact
the KÄRCHER Customer Service.
1. Remove the lower section of the bursting disc hold-
er.
Illustration K
1 Bursting disc
2 Bursting disc holder upper section
3 Bursting disc holder lower section
4 Thrust piece
2. Remove the faulty bursting disc.
3. Fit a new bursting disc.
4. Fit and tighten the lower section of the bursting disc
holder. Observe the tightening torque specified on
the type plate.
Leak at the high-pressure hose
1. Turn the power switch to "0/OFF".
2. Discharge the pressure by opening the high-pres-
sure gun.
3. Re-tighten the hose screw connections.
4. Replace the O-rings.
5. If the hose leaks (at the hose surface, at the pres-
sure relief hole) then stop using the high-pressure
hose immediately and do not use it again.
Warranty
The warranty conditions issued by our relevant sales
company apply in all countries. We shall remedy possi-
ble malfunctions on your appliance within the warranty
period free of cost, provided that a material or manufac-
turing defect is the cause. In a warranty case, please
contact your dealer (with the purchase receipt) or the
next authorised customer service site.
(See overleaf for the address)
Technical data
HD 9/100-4
Cage Clas-
sic
HD 9/100-4
Cage Clas-
sic
HD 9/100-4
Cage Ad-
vanced
HD 9/100-4
Cage Ad-
vanced
Country variant
Country EU KAP EU KAP
Electrical connection
Mains voltage V 380-415 380-480 380-415 380-480
Phase ~ 3 3 3 3
Frequency Hz 50 60 50 60
Maximum permissible mains grid impedance Ω 0,22 0,22 0,22 0,22
Connection output kW 35 35 35 35
Degree of protection IPX5 IPX5 IPX5 IPX5
Power protection (slow-blowing) A 63 63 63 63
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