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22
English
To restart the standby time:
1. Set the power switch to "0".
2. Wait for a few seconds.
3. Set the trigger to "I".
Fault display
Flashes red once
The high-pressure side is leaking.
1. Check the high-pressure hose, hose connections
and high-pressure gun for leaks.
Flashes red twice
The motor is too hot.
1. Set the power switch to "0".
2. Allow the device to cool down.
3. Set the trigger to "I".
Note
If this fault occurs repeatedly, check the nozzle, water
supply temperature, ambient temperature and mains
voltage.
Flashes red three times
A fault has occurred in the voltage supply.
1. Check the power supply and the mains power sup-
ply circuit breaker.
Flashes red four times
The power consumption is too high.
1. Consult the Customer Service.
Faults that are not displayed
The device cannot be started.
1. When the indicator light flashes green:
a Set the power switch to "0".
b Set the trigger to "I".
2. Allow the motor to cool down:
a Set the power switch to "0".
b Allow the device to cool down.
c Set the trigger to "I".
3. Check the mains cable for damage.
4. Check the mains voltage.
5. Contact Customer Service in the case of electrical
faults.
Device does not reach required pressure
1. Check that the high-pressure nozzle is the right size
(see chapter "Technical data").
2. Clean or replace the nozzle.
3. Vent the device (see chapter "Venting the water con-
nection/device.").
4. Clean the fine filter, replace if necessary (see chap-
ter "Care and Maintenance/Weekly").
5. Check the water supply volume (compare with the
required volume specified in the "Technical data"
chapter).
6. Contact Customer Service if necessary.
The pump is leaking.
Up to 3 drops of water per minute are permissible.
In case of more serious leaks, have the device
checked by Customer Service.
The pump knocks
1. Check the water supply volume (compare with the
required volume specified in the "Technical data"
chapter).
2. Vent the device (see chapter "Venting the water con-
nection/device.").
3. Clean the fine filter, replace if necessary (see chap-
ter "Care and Maintenance/Weekly").
4. Contact Customer Service if necessary.
The detergent dosing volume is too low
1. Check that the cup foam lance used matches the
flow rate of the device.
2. Refill the cup of the cup foam lance.
3. Plug a larger gate onto the suction hose.
4. Check the suction hose and cup foam nozzle for de-
tergent deposits. Remove deposits using lukewarm
water.
5. Contact Customer Service if necessary.
The foam formation is too low
1. Check that the cup foam lance used matches the
flow rate of the device.
2. Check the suction hose and cup foam lance for de-
tergent deposits. Remove deposits using lukewarm
water.
3. Contact Customer Service if necessary.
Warranty
The warranty conditions issued by our sales company
responsible apply in all countries. We shall remedy pos-
sible malfunctions on your device 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 9/20-4
S
HD 9/20-4
SXA
HD 10/21-
4 S
HD 10/21-
4 SXA
HD 10/21-
4 S
HD 10/25-
4 S
Country variant
Country
EU
EU
EU
EU
KAP
EU
Electrical connection
Voltage V
400
400
400
400
380
400
Phase
~
3
3
3
3
3
3
Frequency
Hz
50
50
50
50
50
50
Maximum permissible mains grid
impedance
Ω
-
-
-
-
-
0.0452 +
j0.0283
Power rating
kW
7,0
7,0
8,0
8,0
8
8,8
Degree of protection
IPX5
IPX5
IPX5
IPX5
IPX5
IPX5
Power protection (slow-blow, char.
C)
A
16
16
16
16
13
16
Extension cable, 10 m
mm
2
2,5
2,5
2,5
2,5
2,5
2,5
Summary of Contents for HD 9/20-4 S
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Page 128: ...128 K RCHER EN 12729 BA 1 2 3 1 2 1 2 3 10 4 5 1 2 1 2 1 2 1 2 I HD 10 25 13 18 3 4 5...
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