18
8.
Trouble Shooting
Electric power can cause severe injuries. Defective electrical compo-
nents to be replaced immediately and possible causes for accidents to
be eliminated. Repair work to be carried out by qualified personnel.
Disconnect the machine from electric power source during
repair/maintenance work.
Only original OERTZEN spare parts and accessories to be used. Use of
other materials ceases all warranty obligations.
Malfunction Cause
Remedy
Machine does not start.
- Machine not connected to electric
power source.
- Fuse burnt.
- Phase missing.
- Overload protection activated.
- Press motor protection switch.
- Insert electric plug,
Activate main switch.
- Change fuse.
- Mount phase according to electric
wiring diagram.
- Cool down motor.
Machine suddenly stops.
- Fuse defective.
- Overload protection activated.
- Low voltage.
- Motor protection switch defective.
- Operating pressure too high.
- Change fuse.
- Cool down motor.
- Ensure correct voltage.
- Call qualified service.
- Clean / replace nozzle
(see Technical Data).
Electric motor noises during start-up.
- Fuse burnt
(phase missing).
- Fault in electric network
- Change fuse.
- Check.
Working pressure not achieved/varies
- Air in machine
- Water shortage
- Nozzle worn
- Incorrect nozzle
- Nozzle clogged
- Water filter clogged
- Unloader valve leaking
- Suction side leaking
- Suction valves sticking/dirty.
- Bleed machine
Open pressure regulation handle/pistol
until continuous pressure is achieved.
- Diameter of supply hose incorrect.
(see table on page 12)
- Replace nozzle.
- Install correct nozzle.
- Clean nozzle
- Clean filter
- Call qualified service
- Properly fix hose clamps on suction
hose
- Clean valves.
Vibrations on high pressure hose/pistol
- Air in machine
- Bleed machine
Open pressure regulation handle/pistol
until continuous pressure is achieved.
- Clean water filter.
No detergent injection
- Detergent tank empty.
- Pressure regulation handle closed.
- Detergent dosing valve closed.
- Fill tank.
- Open handle.
- Open valve.
Burner does not start.
- Fuel tank empty.
- Fill tank.
Temperature not achieved.
- Thermostat incorrectly adjusted.
- Fuel filter clogged
- Adjust correctly.
- Clean filter.
Excessive exhaust formation.
- incorrect burning procedure.
- Clean fuel filter.
- Call qualified service.
