Manual

23
1)
Options / model variants
Original instructions
EN
8 Troubleshooting
8.1 Indications on Display
Indication
on display
Cause Remedy
FLF
> Flow sensor fault Contact Service
Cold water operation possible
FLO
> Water supply turned off or inad-
equate supply to machine
• Required volume fl ow and pressure see
chapter 9.4 Technical Data
> Detergent tank empty • Fill detergent tank or set detergent meter-
ing to „OFF“
>
Pressure regulation on the safety
control block set to low water vol-
ume
• Turn the twist grip on safety control block
to higher water pressure/volume
> Machine scaled Contact Service
FUE
> Fuel shortage • Fill fuel tank
Cold water operation possible
HOP
> Motor overheated • Turn main switch in position „OFF“, let
machine cool down
• Remove extension cord, if being used.
• Possible phase failure; have electrical con-
nections checked
HOS
> Machine overheated Contact Service
LEA
> Leakage or inadmissible operating
condition by short-time operation
• After three times of short-time ope ration the
machine switches off. To reset: Turn main
switch to position “OFF“, then start again.
Keep trigger squeezed for longer than 3
seconds. If a leak occurs in the hose and
gun and causes the machine to start and
stop briefl y 3 times, then the machine will
switch off.
> Spray gun leaking • Repair Spray gun
> High pressure hose, coupling or line
system leaking
• Replace high-pressure hose, retighten
screw fi ttings
> Detergent tank empty • Fill detergent tank or set detergent meter-
ing to „OFF“
> Water inlet fi lter dirty • Clean fi lter
> High-pressure pump drawing in air • Repair leaks
LHE
> Flame sensor sooted • Clean fl ame sensor
> Ignition or fuel system failure
Contact Service
Cold water operation possible
LHL
> Burner failure Contact Service
Cold water operation possible
POL
> Pump oil low • Fill to proper level
SEC
> Temperature sensor damaged Contact Service
Cold water operation possible
SEO
> Temperature sensor damaged Contact Service
Cold water operation possible
UPC
> Microprocessor failure Contact Service