PHDB 4 B2
■
16
│
GB
│
IE
│
NI
Troubleshooting
DANGER! RISK OF INJURY DUE TO ACCIDENTAL STARTING OF THE APPLIANCE.
►
Before working on the appliance, turn the On/Off switch to "OFF" and pull off the spark plug connector .
RISK OF BURNS! Do not touch the hot exhaust silencer, cylinder or cooling fins.
Engine will not start
Fault
Cause
Remedy
Engine cannot be started
Automatic oil switch-off activated.
Check oil level, add engine oil.
Soot deposit on spark plug .
Clean or replace spark plug .
Spark plug gap 0.7–0.9 mm
No fuel.
Add fuel.
Appliance does not generate sufficient pressure
Fault
Remedy
Running speed of the engine too low.
Check running speed of the engine
(see technical specifications).
Low-pressure nozzle ( ) is fitted.
Fit high-pressure nozzle ( ).
Nozzle blocked/eroded.
Clean/replace nozzle .
Intake filter contaminated.
Clean intake filter .
Air in the system.
Bleed the appliance (see "Use").
Water supply quantity too low.
Check water supply (see technical
specifications).
Supply lines to high-pressure pump leaking or blocked.
Check all supply lines to high-pressure
pump .
Appliance is leaking, water dripping from under appliance
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The high-pressure pump is leaking.
NOTE
►
Max. permissible is 3 drops per minute.
For more serious leaks, have the appliance checked by customer
service.
Cleaning agent is not drawn in
Fault
Remedy
High-pressure nozzle ( ) is fitted.
Fit low-pressure nozzle ( ).
Cleaning agent hose leaking or blocked.
Inspect/clean cleaning agent hose .
NOTE
►
If the fault cannot be remedied, the appliance must be checked by customer service.