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Information about failures troubleshooting, Gb r750 – Karcher HD 19-100 De Tr1 User Manual

Page 86

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C1453

00602.

fm

English

Information about failures

GB

R750

The information below are provided to facil-
itate the identification and solution of possi-
ble anomalies and failures which may occur
during operation. Some of these problems
can be solved by the user, while others re-
quire specific technical skills or abilities,
therefore they should be exclusively dealt
with by qualified technicians with extensive
experience in the specific sector of interven-
tion.

Warning - Caution

Activation of a visual and/or acoustic
signal indicates some form of malfunc-
tion. In this case, turn the engine off im-
mediately and consult the
documentation supplied by the manufac-
turer of the vehicle/device in which the
engine is installed.

INFORMATION ABOUT FAILURES

TROUBLESHOOTING

Problem

Cause

Remedy

During the ignition
phase the control board
and the engine do not
start.

Flat battery

Recharge or replace battery

Blown fuse

Replace fuse

The electric cables are disconnected or
they do not guarantee continuity

Check the electric connections

Failure of engine revolution sensor

Replace the sensor
Apply to an authorised workshop

The engine does not
start

Presence of air in the fuel supply circuit

Carry out bleeding (see "Fuel supply circuit
bleeding
")

Dirty or faulty injectors

Replace the injectors
Apply to an authorised workshop

Faulty fuel pressure regulation valve

Replace the valve
Apply to an authorised workshop

Failure of the start control

Replace the start control
Apply to an authorised workshop

Water and/or impurities in the fuel

Apply to an authorised workshop

Clogged fuel filter

Replace filter (see "Fuel filter replace-
ment")

The starter motor runs
idle

Electromagnet failure

Check the starter motor
Apply to an authorised workshop

The starter motor is not
running

Flat battery

Recharge or replace battery

Interrupted electric connection

Check the electric connections

Worn brushes

Replace the worn brushes
Apply to an authorised workshop

The engine stops after
ignition

Presence of air in the fuel supply circuit

Carry out bleeding (see "Fuel supply circuit
bleeding
")

Clogged fuel filter

Replace filter (see “Fuel filter replace-
ment”)

Injection pump malfunction

Apply to an authorised workshop

Faulty fuel pressure regulation valve

Replace the valve
Apply to an authorised workshop

Presence of air in the fuel supply circuit

Carry out bleeding (see “Fuel supply circuit
bleeding
”).

Water and/or impurities in the fuel

Apply to an authorised workshop

The electric cables are disconnected or
they do not guarantee continuity

Check the electric connections