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18
English
Have electrical components checked and repaired by
the authorised Customer Service.
In case of any malfunctions not mentioned in this chap-
ter, contact the authorised Customer Service when in
doubt or when you have been explicitly advised to do
so.
Device does not start
Check the power cable for damage.
Check the mains voltage.
If the device overheats:
a Set the power switch to "0".
b Allow the device to cool for at least 15 minutes.
c Set the power switch to "1".
Contact Customer Service in the case of electrical
faults.
Device does not reach required pressure
Check the size of the nozzle and compare with the
required size specified in the "Technical data" sec-
tion.
Vent the device, see section "Venting the device".
Clean the sieve in the water connection.
Check the water supply volume and compare with
the required volume specified in the "Technical data"
section.
Clean the nozzle.
Contact Customer Service if necessary.
Pump leaking
Up to 3 drops of water per minute are permissible.
In case of more serious leaks, have the device
checked by Customer Service.
Pump knocking
Check the water supply line for leaks.
Vent the device, see section "Venting the device".
Contact Customer Service if necessary.
Detergent dosing volume too low
Refill the foam nozzle cup.
Plug a larger blender onto the suction hose.
Check the suction hose and foam nozzle for deter-
gent deposits. Remove deposits using lukewarm
water.
Accessories and spare parts
Only use original accessories and original spare parts.
They ensure that the appliance will run fault-free and
safely.
Information on accessories and spare parts can be
found at
www.kaercher.com
.
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 6/15
M
HD 6/15
MX
HD 6/15
M PU
HD 7/17
M
HD 7/17
MX
HD 7/17
M PU
HD 7/
14-4 M
Electrical connection
Mains voltage
V
230
230
230
400
400
400
230
Phase
~
1
1
1
3
3
3
1
Power frequency
Hz
50
50
50
50
50
50
50
Connection output
kW
3.1
3.1
3.1
4.2
4.2
4.2
3.4
Protection class
IPX5
IPX5
IPX5
IPX5
IPX5
IPX5
IPX5
Power protection (slow-blowing)
A
16
16
16
16
16
16
16
Extension cable, 30m
mm
2
2.5
2.5
2.5
2.5
2.5
2.5
2.5
Water connection
Feed pressure (max.)
MPa
1
1
1
1
1
1
Input temperature (max.)
°C
60
60
60
60
60
60
60
Input amount (min.)
l/min
12
12
12
12
12
12
12
Suction height (max.)
m
0.5
0.5
0.5
0.5
0.5
0.5
0.5
Performance data of device
Nozzle size of standard nozzle
--
033
033
033
038
038
038
043
Operating pressure
MPa
15
15
15
17
17
17
14
Operating pressure (max.)
MPa
22.5
22.5
22.5
25.5
25.5
25.5
21
Water flow rate
l/min
9.3
9.3
9.3
11.5
11.6
11.6
11.5
High-pressure gun recoil force
N
21.3
21.3
21.3
21.3
21.3
21.3
21.3
Dimensions and weights
Typical operating weight
kg
30
33
25
32
35
27
39
Length
mm
455
455
290
455
455
290
455
Width
mm
400
400
300
400
400
300
400
Height of push handle, bottom, (top) mm
700
(970)
890
(970)
565
700
(970)
890
(970)
565
700
(970)
Summary of Contents for HD 6/15 M
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