Karcher HD 6000 C - Manual (Page 27)

HD 4000 C / HD 6000 C English
5.956-648 A10369 (06/98) F4
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 Admission pressure of
hot water too low check pump rotation
direction, check water
intake Customer
Service
Pressure switch
precompression
hot-water pump or
cable in ABS hot
water defective replace Customer
Service
Pump starts during
available time but not by
opening the handgun Pressure switch or
cable to pressure
switch defective replace Customer
Service
Unlock button activated,
“operational” indicator light
illuminates, system does
not start up Pressure switch
defective replace Customer
Service
While activating the HD
pistols the unit switches
itself off Flow switch does not
function check flow switch Customer
Service/
Electrician
Unlock button activated,
system starts up,
“operational” indicator light
does not illuminate “operational” indicator
light defective switch Emergency-STOP
master switch Q1 to
position 0, open control
cabinet and verify or
replace components Customer
Service/
Electrician
System does not switch on Flow switch S2
defective
replace upper part of flow
switch Customer
Service/
Electrician
Remote start button does
not function System in a
malfunction state eliminate the cause and
press unlock button Operator
F. Trouble Shooting