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RB 800
English
27
Engine
Before starting any work on the machine, switch off the engine, turn off the water supply and actuate the spray gun until the pres
-
sure has been relieved.
Fault
Cause
Remedy
Water emerges from the thermal
pressure relief valve
Water temperature too high
Do not allow the high-pressure washer to
run for more than 3 minutes in standby
mode
Thermal pressure relief valve is defective
Have the thermal pressure relief valve
checked by a servicing dealer
1)
Oil in the high-pressure pump is
milky and foams
Water in the oil of the high pressure pump
Change oil in high-pressure pump
Oil emerges from the high-pressure
pump
High-pressure pump is leaky
Have the high-pressure pump repaired by a
servicing dealer
1)
No detergents
Detergent tank is empty
Top up the detergent container
Suction hose or suction filter is clogged
Eliminate clog
Injector is soiled or clogged
Clean the injector, see "Maintenance"
Detergent nozzle / low-pressure nozzle is not
installed / is clogged
Insert / clean the detergent nozzle / low-
pressure nozzle
Before starting any work on the machine, switch off the engine, turn off the water supply and actuate the spray gun until the pres
-
sure has been relieved.
Fault
Cause
Remedy
Engine does not start
High-pressure pump has frozen
Thaw out high-pressure pump
High-pressure pump is blocked
Have the high-pressure pump repaired by a
servicing dealer
1)
Observe instructions from the engine manufacturer in the User Manual
Engine does not start, runs roughly,
or goes out immediately
Observe instructions from the engine manufacturer in the User Manual
High fuel consumption
Observe instructions from the engine manufacturer in the User Manual
1)
STIHL recommends STIHL servicing dealer