14
8.
Trouble Shooting
Electric power can cause severe injuries. All symptoms of faulty electric
components to be taken seriously and possible causes for accidents to
be eliminated immediately. All repair work only to be carried out by
qualified service personnel. During maintenance/repair work, disconnect
machine from power source.
Repair work only to be carried out by qualified service personnel.
Only original OERTZEN spare parts/accessories to be used, otherwise
working safety will not be guaranteed, EC Declaration of Conformity will
expire.
Malfunction Cause
Remedy
Motor does not start.
- Motor protection switch not pressed.
- Machine not connected to power
source.
- Fuse burnt.
- Phase missing in plug.
- Faulty motor protection switch.
- Insufficient water supply
(applicable if SCS system is installed).
- Press motor protection switch.
- Insert plug into socket, activate main
switch.
- Replace fuse. If burning again, call
qualified service.
- Mount phase according to eletric wiring
diagram.
- Call qualified service.
- Guarantee sufficient water supply.
Motor suddenly trips, motor protection
switch stops machine.
- Poor water supply
- Fuse burnt.
(Phase missing).
- Low voltage.
- Faulty motor protection switch.
- High operating pressure.
- Eliminate cause, restart machine.
- Replace fuse. If burning again, or motor
gives noise, call qualified service.
- Guarantee correct voltage.
- Kundendienst rufen.
- Clean/replace nozzle
(see Technical Data)
Motor gives noise.
- Fuse burnt.
(Phase missing).
- Malfunction in electric network
- Replace fuse. If burning again, call
qualified service.
- Check phases in plug.
Operating pressure not achieved/varies
- Air in unit
- Poor water supply
- Nozzle worn
- Incorrect nozzle
- Nozzle clogged
- Water filter dirty
- Safety/control valve leaking
- Suction side leaking
- Suction valves dirty/sticking.
- Bleed unit.
Open pressure regulating handle and
pistol unless continuous pressure is
achieved.
- Too small water supply hose.
(diameter see table)
- Replace nozzle.
- Install correct nozzle
- Remove/clean nozzle
- Clean water filter
- Call qualified service
- Tighten hose clamps on suction hose.
- Remove/clean valves.
High pressure hose and pistol vibrating
- Air in unit
- Bleed unit.
Open pressure regulating handle and
pistol unless continuous pressure is
achieved.
Clean water filter..
