Gerni pressure washer troubleshooting

Every time when it happens the breakage of the pressure washer, you can refer to the table of troubleshooting and find out the workaround solution. The experts gave almost all possible variety of troubleshooting and placed them in a convenient form.

Gerni 118 P pressure washer troubleshooting

SymptomsCauseCorrective action
Machine does not startIgnition switch is not “ON".Turn the switch to "ON".
No petrol in the tank.Refill
Petrol too old.Replace
Petrol cock not in extreme right pos.Turn cock to extreme right.
Too much fuel in the engine. Too little motor oil.Wait 5 min., then restart as usual. Refill oil.
On spark plug worn/ defective.Check electrode gap/ replace.
The machine suddenly stops.Check points under preceding paragraph.Take necessary action.
Carbonized spark plug.Clean spark plug.
Petrol filter clogged up.Empty petrol tank and dean filter.
Too high pump pressure.Pressure nozzle partly blocked.Dismantle and clean the nozzle. Flush the pistol through before remounting.
The cleaner does not run on max. pressure/ pressure fluctuates.Air in the system.Open the pressure regulation handle and activate the pistol. Let the machine run until stable pressure is achieved.
Too little water.The supply hose too small - diameter should min. 3/4”.
Worn pressure nozzle.Clean suction filter.
Wrong pressure nozzle.Open water handle.
Pressure nozzle partly clogged, machine runs in by-pass. Suction side not tight.Replace nozzle. Not correct type.
Dismantle and clean the nozzle.
Tighten clamp on suction hose.
High pressure hose and pistol are shaking.Air in the system.Open the pressure regulation handle, adivate the pistol. Let the machine run until stable pressure is achieved.
By-pass valve “knocks" or the pressure gauge oscillates with open pistol.Pressure nozzle partly clogged. Water filter clogged.Dismantle and clean.
Suction hose not tight/torn.Dismantle and clean.
Tiqhten/replace clamp on hose.
No detergent supply.Detergent tank empty.Refill.
Dosing valve and/or regulation handle closed.Open.
Detergent filter clogged.Clean filter.
Turbo Laser filter dogged. Pre-nozzle blocked.Clean filter. Dismantle and clean pre-nozzle. Dismantle and clean.
Low pressure nozzle in Turbo Laser blocked.
Safety valve starts to function or the machine runs at too high pressure.Pressure nozzle partly clogged. Pre-nozzle partly clogged. Wrong pressure nozzle.Dismantle and clean pressure nozzle.
The nozzle does not oscillate.Turbo Laser dirty. Wrong pressure nozzle.Dismantle and clean Turbo Laser.
Turbo Laser leaks.Defective gaskets.Leakage may rectify itself by further use. Replace qasket (service kit)

Gerni 692 pressure washer troubleshooting

SymptomsCauseCorrective action
High pressure cleaner does not start.Selector not activated.Turn selector to pos. “AUT” or “1”.
High pressure cleaner not connected to the power line. Fuse burnt out.Put in the plug, switch on the main switch.
Missing voltage in plug.Change fuse. If fuse burns out again, contact service department.
Connect voltage acc. to el. diagram.
High pressure cleaner stops suddenly.Fuse burnt out. Low voltage.Change fuse. If fuse burns out again, contact service department. Extension cable too long, contact service department.
Motor too warm.Turn selector to pos. “0” and wait 15 min. Restart the machine.
Operating pressure too high (nozzle dirty, wrong nozzle).Clean/change nozzle
Motor hums when startedFuse burnt out.Change fuse. If fuse burns out again or motor still hums, contact service department.
Fault on the power line.Check voltage in the plug.
High pressure hose and pistol shake.Air in the pump. Lack of water.Tighten suction hose.
Clean suction filter. Open tap completely.
By-pass valve “hammers" or pressure gauge oscillates with open pistol.Nozzle partly blocked.Disconnect and clean the nozzle.
Safety valve starts functioning or high pressure cleaner operates at too high a pressure.Front nozzle partly blocked.
Pressure nozzle partly blocked.Disconnect and clean pressure nozzle.
Wrong nozzle.Change nozzle.
The high pressure cleaner starts un- intended (Automatic).Pulsation in the water inlet.When the high pressure cleaner is not used the water supply to the machine should be closed.
Nozzle does not tilt.Turbo Laser dirty.Take apart and clean Turbo Laser.
Turbo Laser filter dirty.Clean/change the filter.
Wrong nozzle.Change nozzle.
Turbo Laser leaks.The leak may seal itself by continued usage.
Gaskets defective.Change gaskets (Service kit).
No detergent added.Detergent tank empty.Fill up.
Detergent filter dirty.Clean detergent filter.
Metering valve closed.Open.
Turbo Laser filter dirty.Clean/change the filter
High pressure cleaner does not operate at max. pressure/pressure oscillates.Water capacity regulator partly closed (662)Open water capacity regulator by turning the regulator counter clockwise to maximum.
Lacks water.Open the tap completely. Clean suction filter.
The suction side of the pump leaks (takes in air).Check for leaks, tighten hose clamps.
High pressure nozzle blocked.Disconnect the nozzle and clean it carefully.
High pressure nozzle worn, technical data).Mount new nozzle. Note the type
Air in the system.Bleed the cleaner. Open pressure regulation handle, activate the pistol. Let machine run until stable pressure has been obtained.
Wrong nozzle/defective nozzle.Change nozzle. Note the type