Karcher K 7.85 M operating instructions Problem Checklist, Accessories

Models: K 7.85 M

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7.PROBLEM CHECKLIST

The machine you have chosen is of the highest quality. Correctly stored away from frost it should operate without problems. If a problem does arise, please check the following chart as a solution may be at hand.

PROBLEM

POSSIBLE CAUSE

CORRECTION

Machine refuses

Plug not connected

Connect plug

to start

Defective socket

Try another socket

 

Fuse blown

Change the fuse

 

Defective extension cable

Try without extension cable

 

Wrong mains voltage

Check mains voltage corresponds to

 

 

specifications of machine

 

 

 

Pump stops

Fuse blown

Change fuse and check size of

 

 

extension cable

 

Overheating due to poor

Check inlet water flow rate - hose

 

water Supply

should fill a 10 litre bucket in one

 

 

minute

 

 

 

Strong pressure

Nozzle partly blocked

Clean dirt from nozzle hole with

fluctuations

 

needle and rinse from the front

 

Inadequate mains water

Check inlet water flow rate

 

 

 

Machine does

Nozzle blocked/worn out

Clean/replace nozzle

not reach

Inadequate mains water

Check inlet water flow rate

operating

Inlet hose squeezed

Straighten out hose

pressure

Water filter clogged (3.1

Clean filter

 

item15)

 

 

Inlet hose blocked

Check hose for leaks or blockages

 

 

 

No detergent

Wrong pressure

Set Spray Lance to low pressure

suction

 

setting („Mix“)

 

Blocked filter in

Unblock filter

 

detergent tank

Clean ventilation hole in cover of

 

 

Detergent Tank

 

 

 

In the unlikely event that you need to return your machine to your supplier, please ensure that this is returned, complete with hose, gun and all

accessories.

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Karcher K 7.85 M operating instructions Problem Checklist, Accessories