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Karcher HDC 90-10 H Advanced Manual

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- 9
You can enter into a maintenance contract
with the concerned Kaercher Sales Office
for the machine.
The machine should be stored in frost-free
rooms. In case there is frosting risk, for e.g.
if the machine is installed in open areas,
then the machine must first be emptied and
flushed using an anti-freezing agent.
Screw off water supply hose and high
pressure hose.
Operate device for max. 1 minute until
the pump and conduits are empty.
Note: Observe handling instructions of the
anti-freeze agent manufacturer.
Fill in normal anti-frost agents in the
swimmer tank right until the top.
Place the collection trough under the
high pressure exit.
Switch on the appliance and let it run
until the safety mechanism against lack
of water in swimmer tank gets activated
and the machine is switched off.
A certain corrosion protection is achieved
with this as well.
DANGER
Risk of injury! The main switch is to be
switched off with all repair work.
A Error number
B Number of currently present errors
– Error type 1: Emergency operation of
the system with remaining high pres-
sure pumps.
– Error type 2: The operating readiness of
the system is switched off and the high
pressure pumps are shut off.
– If one of the above errors occurs, the
appliance can be restarted after the er-
ror has been corrected by activating the
release switch.
Note: The 40 most recently occurred errors
are saved with the respective date and time
and can be shown on the display.
A Date of error event
B Time of error event
C Error number
D List location of error
E Number of saved errors
Maintenance contract
Frost protection
Drain water
Flush device with anti-freeze agent
Troubleshooting
Error
number
Error description Error
type
01 Control voltage is miss-
ing
2
02 Display, no communi-
cation
2
10 Motor protection switch
high pressure pump 1
1
11 Motor protection switch
high pressure pump 2
1
12 Motor protection switch
high pressure pump 3
1
13 Motor protection switch
high pressure pump 4
1
14 Motor protection switch
of the frequency invert-
er or frequency inverter
not ready
2
18 Winding protection
contact high pressure
pump 1
1
19 Winding protection
contact high pressure
pump 2
1
20 Winding protection
contact high pressure
pump 3
1
21 Winding protection
contact high pressure
pump 4
1
26 Motor protection switch
advance pressure
pump
2
30 Switch "On" constantly
occupied (control in-
put)
2
31 Switch "On" constantly
occupied (display)
2
32 Switch "Off" constantly
occupied (control in-
put)
2
40 Water shortage 2
41 Water temperature is
too high
2
42 Leakage switch-off 1
(e.g. hose burst)
2
43 Leakage switch-off 2
(minor leakage)
2
45 Pressure too high
(> 300 bar)
2
46 Flowmeter issues in-
correct signal
2
47 Overflow valve adjust-
ed incorrectly
2
48 HDC type set incorrect-
ly
2
49 Flowmeter does not
emit signal
2
50 Pressure sensor for
high pressure does not
transmit signal
2
52 Temperature sensor
does not transmit sig-
nal
2
25EN
… 25 …


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