Troubleshooting - Landa ECOS 7000 Operator's Manual

PRESSURE WASHER TROUBLESHOOTING
PROBLEM
UNLOADER CYCLES
FLUID LEAKING
FROM BODY
UNLOADER WILL
NOT COME TO
PRESSURE
EXTREME PRESSURE
SPIKES
22
Unloader Valve Malfunction
POSSIBLE CAUSE
Fitting leaking downstream
Piston or valve spring broken or worn
Clogged nozzle
O-ring worn or cut
Foreign particle in valve
Nozzle worn or wrong size
Piston or valve worn
Adjusting nut turned completely into
unloader
Clogged nozzle
9.801-316.0 • Landa ECOS 7000 Operator Manual • Rev. 12/12
REPAIR
Tighten/replace fitting.
Replace parts as necessary.
Clean or replace.
Replace part as necessary
Replace or clean.
Replace part as necessary.
Replace part as necessary.
Back off adjusting nut.
Clean or replace.