Stihl RE 521, Instruction Manual

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RE 521, RE 551 PLUS, RE 581, RE 581 PLUS
English
48
Display on control panel
If the LEDs on the control panel light up or blink, this may be caused by the following:
LED
Indicator Status/reason Remedy
Lights up Machine is operational
Flashes Water supply turned off, water flow too low Ensure a sufficient flow of water
Pressure and flow control on machine or spray
gun
1)
is set for a water flow that is too low
Increase water flow on machine or spray gun
1)
Detergent tank empty Fill the detergent tank or set the metering valve to
"0"
Flow sensor fault Contact a dealer
2)
; cold water mode is possible
Scale has formed in the machine Contact a servicing dealer
2)
3)
Lights up Low fuel level Refuel
3)
Flashes Low scale inhibitor level Fill with scale inhibitor
Flashes Maintenance due in 20 hours Make arrangements for maintenance with a servic -
ing dealer
2)
Lights up Maintenance due Have maintenance performed by a servicing
dealer
2)
3)
Lights up Pump oil level too low, machine, machine is out of
order
Fill the pump oil; see "Oil change"
1)
RE 581, RE 581 PLUS only
2)
STIHL recommends STIHL servicing dealers
3)
not on RE 521