KENT 9015 - Page 16

High-pressure cleaners Batch 3000 + 9000 Mobile og Stationary
Date: 18/4-2017
Instruction manual
Page: 16 of 36
© Kent hojtryk\Clean-9000\Brugs-9000-EN-d.307.doc
3.2 Troubleshooting
Fault finding on the high pressure cleaners
Fault finding:
Cause
Remedy
Cleaner does not start
Fuse defective.
Replace fuse.
Electric plug dirty.
Clean plug.
Motor protection has been
released.
Turn the red stop knob until it jumps
out.
Does no supply pressure
Insufficient water supply.
Wrong hose diameter.
Hose pinched.
See section: Before start.
Water filter choked.
Dismount and clean.
Leaks at couplings
Retighten / replace gaskets.
V-belt slips
Tighten / replace.
Nozzles worn
Replace
Pump valves dirty or worn.
(pulsate)
Clean / replace, see spare parts
drawing.
Flow valve dirty or worn.
Take apart and clean valve, replace
defective parts. X) see spare parts
drawing.
Check flow through hose, gun and nozzle pipes.
Injector cannot suck chemicals
Non-return valve gone slack sucks
dead air.
Retighten, replaces nylon gasket.
Ball hangs (old soap residue)
Dismount chemicals hose - loosen
ball from top with match or similar
object.
Low pressure nozzle on double
nozzle pipe choked
Clean / replace.
Injector nozzle worn.
Replace.
Flow valve shuts off during
operation (pressure increase)
Valve or double nozzle pipe
pinched or dirty.
Clean / replace.
Wrong nozzle mounted.
Change to right size.
Spring in flow valve gone slack.
Replace *)
Dirt in flow valve.
Take apart / clean *)
Dirt in injector.
Take apart / clean
Motor protection switches off
Check plug / fuse / cable
Defect motor / pump. – Dismount V-belt or pump (inlet and outlet hoses
must be disconnected). Pump movement must be even and free of
metallic sounds. If abnormally heavy when turning: Call your dealer’s
service department. Electric motor must run smoothly, without noise.
*) Let your dealer makes repairs and adjustments.