RE 521, RE 551 PLUS, RE 581, RE 581 PLUS
English
49
If the LEDs on the control panel light up or blink, this may be caused by the following:
LED Indicator Status/reason Remedy
Flash
simultane
-
ously
Detergent tank empty Fill the detergent tank
Filter plugged in the water feed Clean filter – see "Maintenance"
Leak in high-pressure hose or connections or in the
spray attachment
Contact a servicing dealer
2)
High-pressure pump is leaky, draws air Contact a servicing dealer
2)
; cold water mode is
possible
Impermissible operating state from repeated short-
term operation (shorter than 1.5 s)
Contact a servicing dealer
2)
Flash
alternately
Motor is overheated Switch off the machine and let it cool down
do not use an extension cord, use an extension cord
with the correct cross-section – see "Connecting the
machine to the power supply"
Machine is overheated Contact a servicing dealer
2)
Flashes
slowly
Flame sensor is clogged with soot Clean flame sensor – see "Maintenance"
Flashes
quickly
Malfunction in fuel or ignition system or burner Contact a servicing dealer
2)
; cold water mode is
possible
2)
STIHL recommends STIHL servicing dealers
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