Stihl RE 90 User Manual

0458-814-8221-A
34
English 17 Troubleshooting Guide
17.1 Pressure Washer
17 Troubleshooting Guide
Before troubleshooting, switch off the pressure washer and disconnect the unit from the power supply. Relieve all system
pressure by pulling the trigger switch. Lock the spray gun trigger.
Condition Possible Cause Remedy
The pressure washer does
not start although the spray
gun trigger is pulled.
The power supply cord is not connected
to an electrical outlet.
► Connect the power supply cord to a properly
installed electrical outlet.
The electric motor is too warm. ► Allow the pressure washer to cool at ambient
temperatures for approximately 5 minutes.
► Clean the nozzle, @ 15.2.
The pressure washer does
not start when switched on.
The electric motor hums.
The mains voltage is too low. ► Pull and hold the spray gun trigger and switch on
the pressure washer.
► Switch off other loads connected to the same
electrical circuit.
The pressure washer
switches off while in
operation.
The power supply cord is not connected
to an electrical outlet.
► Connect the power supply cord to a properly
installed electrical outlet.
The electric motor is too warm. ► Allow the pressure washer to cool at ambient
temperatures for approximately 5 minutes.
► Clean the nozzle, @ 15.2.
The high-pressure pump
repeatedly switches on and
off without pulling the spray
gun trigger.
There is a leak in the high-pressure
pump, high-pressure hose or spray
attachment.
► Have the pressure washer inspected and
repaired by an authorized STIHL servicing
dealer.
The water pressure
fluctuates or drops.
There is not enough water. ► Open the water tap fully.
► Make sure that a sufficient quantity of water is
available.
The nozzle is blocked. ► Clean the nozzle, @ 15.2.
The water intake screen or water filter is
blocked.
► Clean water intake screen and water filter,
@ 15.3 and @ 15.4.
The high-pressure pump, high-pressure
hose or spray attachment is leaking 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, @ 15.3.

Stihl RE 90 Specifications

General

Form factor	Upright
Hose length	6 m
Power source	Electric
Castor wheels	Yes
Product color	Black, Grey, Orange
Detergent tank	-
Pressure range	High-pressure
Protection class	II
International Protection (IP) code	IPX5
Maximum pressure	100 bar
Maximum flow rate	450 l/h
Minimum flow rate	336 l/h
Working pressure (max)	72 bar
Maximum water temperature	40 °C
Fuse	15 A
AC input voltage	127 V
AC input frequency	60 Hz
Power consumption (typical)	1600 W

Weight and Dimensions

Depth	290 mm
Width	330 mm
Height	860 mm
Weight	8800 g