Kärcher HDS 9/18 M Service Manual

English 5.906-432.0 Rev. 00 (06/15) 1
HDS 7/12 M, HDS 8/18 M,
HDS 9/18 M, HDS 10/20 M,
HDS 12/18 S, HDS 13/20 S
Service Manual

Kärcher HDS 9/18 M Specifications

General

Type	Hot Water High-Pressure Cleaner
Voltage	400 V
Frequency	50 Hz
Fuel Tank	25 l
Hose Length	10 m
Detergent Tank	20 l
Nozzle Included	Power nozzle

Summary

Safety Instructions

Hazard Levels

Classification of potential hazards for injury or property damage.

Function

Service Switch

Motor (air-cooled)

Engine (water-cooled)

Pump

Function Water Shortage Safeguard and Dry-Run Protection

Explanation of how water shortage and dry-run protection function.

Function of Safety Valve

Explanation of the safety valve's operation and purpose.

Burner Blower with Fuel Pump

Booster Heater (with ignition transformer)

Hand Spraygun

Pressure and Volume Regulation

Vacuuming Operations

Functional Description of Pressure Switch

Basic Settings and Service Procedures

Adjust Safety Valve

Procedure for adjusting the safety valve.

Service Functions with LED Display

How to access and use service functions via LED display.

Testing the Temperature Sensor

Testing the Service Switch

Testing the Sensors

Error Memory

Reading and interpreting the device's error memory.

Servicefunktionen mit Displayanzeige

Using the control panel display for service functions.

Reset of the Maintenances

Procedure for resetting maintenance intervals and clearing faults.

Overview of a Quick Check of the Device Status

Settings, Burner

Adjusting the Working Pressure with the Rotary Regulator on the Gun

How to adjust working pressure using the gun's rotary regulator.

Setting the Working Pressure with Standard Gun without Rotary Knob

Adjusting pressure with a standard gun without rotary knob.

Setting the Maximum Working Pressure

Procedure for setting max pressure with a standard gun.

Setting the Minimum Working Pressure

Procedure for setting min pressure with a standard gun.

Troubleshooting

Device is not running (no LED/display indication)

Troubleshooting steps for a non-responsive device.

Water Pressure too low

Troubleshooting steps for low water pressure.

Water is not being heated

Diagnosing and resolving heating issues.

Error Messages

General overview of error messages displayed by the device.

Error Message with Service Demand

Interpreting error messages that require service intervention.