Karcher HD 7/250 DE TR1 manual Malfunction Water in fuel

Page 17

Display/meaning

Cause

Remedy

By whom

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable plug of high pressure sensor loose or

Check for correct fit

Operator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

short in connection

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable breakage

Replace the cable

Customer Service

>Malfunction<

High pressure sensor defective

Check / replace the sensor

Customer Service

 

 

 

High pressure sen-

 

 

 

sor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The permitted max. pressure is exceeded due

Check the nozzle size, install correct noz-

Operator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

to small or plugged nozzle

zle

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Load speed too high

Reduce load speed

Customer Service

>Malfunction<

 

 

 

High pressureHoch-

 

 

 

druck > max.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

The pressure decrease is too slow after the le-

Check the switch valve

Customer Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ver of the hand spray gun is released

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable breakage

Replace the cable

Customer Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

>Malfunction<

High pressure valve defective

Check the high pressure valve

Customer Service

High pressure sensor defective

Check / replace the sensor

Customer Service

High pressure de-

 

 

 

crease too slow

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Water tank empty. Inlet valve to water tank

Check the inlet valve to the water tank

Operator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

closed (by customer)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cross section of water supply hose too small

Use a water supply hose with a larger

Operator

>Malfunction<

 

cross section

 

 

 

 

Level switch defective

Replace the level switch

Customer Service

Water level

 

 

 

Cable breakage

Replace the cable

Customer Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Water reservoir empty

Filling the Water Reservoir

Operator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Water filter contaminated

Clean water filter

Operator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Backflow valve on the advance pump contami-

Check backflow valve

Customer Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

>Malfunction<

nated

 

 

 

 

 

Pressure switch is defective

Check/replace the pressure switch

Customer Service

Water inlet pressure

Cable breakage

Replace the cable

Customer Service

below 0.15 MPa (1.5

bar)

Advance pump defective

Check / replace the prepressure pump

Customer Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Advance pump drive defective

Check/replace the main switch

Customer Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Remote control not connected

Create connection

Operator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Plug wet

Dry the plug

Operator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Plug defective

Replace the plug

Customer Service

>Malfunction<

Switch in the hand spray gun defective

Check the switch, replace

Customer Service

Cable breakage or short in the control line

Check the cable, replace

Customer Service

Remote control

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See motor operating instructions

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Evaluation unit defective

Replace evaluation unit

Customer Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable breakage

Replace the cable

Customer Service

>Malfunction<

 

 

 

EMR fault

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Oil temperature too high

Check the oil temperature

Operator

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Temperature sensor defective

Replace the temperature sensor

Customer Service

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cable breakage

Replace the cable

Customer Service

>Malfunction< Compressor temper- ature

See motor operating instructions

 

 

Water in fuel

Replace the fuel

Operator

Cable breakage

Replace the cable

Customer Service

>Malfunction<

 

 

Water in fuel

 

 

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Contents HD 7/250 De Tr1 Page Safety instructions ContentsProper use FunctionEnvironmental protection Device elements Symbol Meaning Symbols on the display MeaningDisplay and operating panel Hand spraygunOperation Setting up the applianceTransport Preparing for start-upStart up Adjust the water pressure SettingsAdjust the brightness and contrast of the display Start the engineFrost protection Retrieve the informational display for service personnelOperation Shutting downAntifreeze motor BatteryPumping antifreeze out of the high Pressure system Do not use flammable detergents to clean the appliance Maintenance and careFlow pattern Maintenance Works Maintenance intervalsCharge/replace battery Cleaning/replacing the air filterCheck the coolant and refill Draining the compressed air systemDisplay/meaning Cause Remedy By whom FaultsFaults with display Malfunction Water in fuel Faults without display on the console Technical SpecificationsWarranty Accessories and Spare Parts CE declarationSound power level dBA Measured 109 Guaranteed Applied conformity evaluation methodBukarest