Kärcher HD 4000 C Manual Del Usuario página 61

HD 4000 C / HD 6000 C
System runs for about 15
sec after pressing the
unlock button and then
switches off. General fault
and "Admission pressure
of hot-water pump too low"
LED light up
Pump starts during
available time but not by
opening the handgun
Unlock button activated,
"operational" indicator light
illuminates, system does
not start up
While activating the HD
pistols the unit switches
itself off
Unlock button activated,
system starts up,
"operational" indicator light
does not illuminate
System does not switch on Flow switch S2
Remote start button does
not function
5.956-648 A10369 (06/98)
F. Trouble Shooting
Admission pressure of
hot water too low
Pressure switch
precompression
hot-water pump or
cable in ABS hot
water defective
Pressure switch or
cable to pressure
switch defective
Pressure switch
defective
Flow switch does not
function
"operational" indicator
light defective
defective
System in a
malfunction state
check pump rotation
direction, check water
intake
replace
replace
replace
check flow switch
switch Emergency-STOP
master switch Q1 to
position 0, open control
cabinet and verify or
replace components
replace upper part of flow
switch
eliminate the cause and
press unlock button
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