Kärcher HD 4000 C Manual Del Usuario página 60

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Motor fault lights up
Available time is less than
6 hours
System does not start up
when unlock button is
pressed, no indicator light
illuminates
F3
F. Trouble Shooting
Motor protection switch
Q1 or Q2 has triggered
owing to overcurrent or
drop-out of one phase
of power supply
system
Motor protection switch
falsely set
Pressure at pump
outlet too high
Site high-pressure
network is leaky
Pressure switch
defective
Site power supply
interrupted
Emergency-STOP
master switch off
Motor protection switch
for control system and
precompression pump
has been triggered
Control-circuit fuse on
transformer defective
Printed circuit board
defective, green LED
does not blink
EPROM loose
HD 4000 C / HD 6000 C
Check voltage of the three
phases
Set in accordance with
circuit diagram
Check pressure, adjust as
necessary
Seal it off
Replace
switch on
switch on
check
replace, check cause
replace, check
install again, check cause
5.956-648 A10369 (06/98)
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Kundendienst
Operator
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Customer
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