Stihl TS 500i - Operating Instructions

12 TS 500i
3.3 Solenoid valve / Water system
Problem Cause Remedy
No water supply Solenoid valve does not react even
though the control panel was
actuated
Run test with STIHL MDG 1,
replace solenoid valve if necessary
Banjo screws (water nozzles) are
very dirty
Clean the banjo screws, replace if
necessary
Control panel damaged Run test with STIHL MDG 1,
replace control panel if necessary
Water volume too low even though
it has been increased via the
control panel
Banjo screws (water nozzles) are
very dirty
Clean the banjo screws, replace if
necessary
Water hose kinked or damaged –
also check water supply hose
Check hose clips, water hose and
seals, replace if necessary
Manifold for hose connection is
clogged
Check manifold and clean (rinse
screen), replace if necessary
Control panel damaged Check control panel with STIHL
MDG 1, replace if necessary
Water supply even though machine
has been switched off
Solenoid valve is damaged or jams
– solenoid valve no longer closes
Check solenoid valve, replace if
necessary
Leaks in the water system O-ring and / or seal on water
attachment damaged
Replace O-ring and seal, replace
whole water attachment if
necessary
Hose clips open or damaged or
hose damaged
Close hose clips, replace if
necessary, replace damaged hose