Kärcher HWE 4000 Gas, Manual

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The error list is only visible if an error entry is present. A current
entry in the error list (alarm, error) is shown by the Err-LED on the
display.
1 Emergency-stop button
2 Temperature
2a cold
2b hot
3 Fault
1 Emergency-stop button
2 Operating mode
2a Water operations
2b Steam operations
3 Temperature
3a cold
3b hot
– For connection values, see technical data and type plate.
– The electrical connections must be done by an electrician ac-
cording to IEC 60364-1.
 Check high pressure hose, pipe connections, fittings and wa-
ter jet for damage every time before use.
 Check hose coupling to ensure that it sits firmly and is leak-
proof.
 Press the factory-recommended main switch for emergency
stop of the main plant or the emergency stop switch of the en-
try to the heating room.
 Shut off water supply.
 In hand spray operations, press the hand-spray gun until the
plant is pressure-less.
 Close the fuel supply tap.
Faults
Err-LED sta-
tus Important further actions
blinking Alarm pending, error
present. – Determine the error type
in the error list via the er-
ror number.
– Eliminate error.
glows Error eliminated,
alarm not acknowl-
edged. Acknowledge the alarm in
the error list by pushing the
Up/Down buttons. The
alarm entry is thereby delet-
ed.
Error list
Name
Description Cause Possible remedy
E.1 Internal error,
cannot be fixed. e.g. defective
EEPROM – Contact cus-
tomer service.
– Send device in.
E.2 Internal fault, re-
settable. e.g. EMC distur-
bance – Briefly discon-
nect the device
from the mains.
– Take the meas-
uring and power
lines separate-
ly.
– Eliminate inter-
ference in con-
tactors.
FbF.1/2 Sensor break in-
put 1/2
Sensor defec-
tive, wiring error. INP1/2 replace
sensor, INP1/2
check connection.
Sht.1/2 Short circuit in-
put 1/2 Sensor defec-
tive, wiring error. INP1/2 replace
sensor, INP1/2
check connection.
POL.1 Reverse volt-
age input 1 Wiring error Interchange wiring
INP1.
LooP Closed control
loop alarm
(LOOP) – Input signal
defective or
not correctly
connected.
– Output not
correctly
connected.
– Check heating
or cooling elec-
tric circuit.
– Check sensor,
replace if nec-
essary.
– Check control-
ler and switch-
ing device.
AdA.H Adaption alarm
heating (ADAH) see error status
adaption heating see error status
adaption heating
Lim.1/2/3 Saved limit val-
ue alarm 1/2/3
Set limit value 1/
2/3 violated. Check setting limit
or process.
Remote control (optional)
(A) Remote control without steam operations
(B) Remote control with steam operations
Start up
Power connection
Operation
Making the plant ready for operations
Switch-off in case of emergency
Not-Aus
Temp.
kalt heiß
Störung
Not-Aus
Betrieb
Wasser Dampf
Temp.
kalt heiß
1
2
3
A B
2a
2b
1
2
3
2a
2b
3a
3b
29 EN