Fault Cause Remedy
The electric motor is too warm. ► Allow the pressure washer to cool
for 5 minutes.
► Clean the nozzle.
The high-pressure
pump repeatedly
switches on and off
without squeezing the
spray gun trigger.
There is a leak in the high-pressure
pump, high-pressure hose or spray
attachment.
► Ask a STIHL servicing dealer to
inspect the pressure washer.
The working pressure
fluctuates or drops.
There is not enough water. ► Open water tap fully.
► Make sure that a sufficient quantity
of water is available.
The nozzle is blocked. ► Clean the nozzle.
The water intake screen or water filter
is blocked.
► Clean water intake screen and water
filter.
The high-pressure pump, high-pres‐
sure hose or spray attachment is leak‐
ing or faulty.
► Ask a STIHL servicing dealer to
inspect the pressure washer.
The shape of the
water jet has
changed.
The nozzle is blocked. ► Clean the nozzle.
The nozzle is worn. ► Fit a new nozzle.
Detergent additive is
not being drawn in.
The container is empty. ► Fill container with detergent.
The nozzle of the spraying set is
blocked.
► Clean nozzle of spraying set.
Connections with
pressure washer,
high-pressure hose,
spray gun or spray
lance are stiff.
The gaskets of the connections have
not been greased.
►
Lubricate the gaskets. 18.2
18.2 Lubricating the seals
► Grease the seals (1) with grease for fittings.
19 Specifications
19.1 Pressure washer STIHL RE
120 PLUS
Version 220 V - 240 V / 50 Hz
–
Fuse (characteristic "C" or "K"): 10 A
–
Power consumption: (EU) 2019/1781 §2(2) (j):
2.1 kW
–
Maximum permitted network impedance: 0.42
Ohm
–
protection class: I
–
Degree of of electrical protection: IPX5
–
Working pressure (p): 12.5 MPa (125 bar)
–
Max. permissible pressure (p max.): 16 MPa
(160 bar)
–
Max. water supply pressure (p in max.): 1 MPa
(10 bar)
–
Max. water throughput (Q max.): 8.0 l/min
(480 l/h)
–
Minimum water throughput (Q min.): 6.7 l/min
(400 l/h)
–
Max. suction lift: 0.5 m
–
Max. water temperature in pressure mode
(t in max): 40 °C
–
Max. water temperature in suction mode:
20 °C
sample inspection
–
Length: 400 mm
–
Width: 408 mm
–
Maximum height: 925 mm
–
Minimum height: 717 mm
–
Length of high-pressure hose: 9 m
–
Weight (m) with accessory attached:
21.2 kg to 21.3 kg
19 Specifications English
0458-836-0121-A 21
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