Liebherr Mobile Crane LTM 1750-9.1 LICCON 2 Operating Instructions Diagnostics Manual 99904-05-02 –

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Foreword General

This crane was built according to the state of technology and recognized safety technical regulations.

Despite that, dangers to body and life for the user and / or third persons or damage to the crane and / or other material assets can occur.

This crane may only be used: - in impeccable technical condition.

- for destined use.

- by trained personnel, which acts in a safety and danger conscious way.

- when no safety relevant problems are present.

- when no modifications were made on the crane.

Any problems, which could affect safety must be fixed immediately.

Modifications on the crane may only be made with written approval by Liebherr-Werk Ehingen GmbH. Safety and warning notes

Safety and warning notes are directed to all persons who work with the crane.

The terms DANGER, WARNING, CAUTION and NOTICE used in the crane documentation are intended to point out certain rules of conduct to all persons working with the crane.

Warn-

Signal

ing

word

Explanation

sians

& & &

DANGER

Designates a dangerous situation which will lead to death or serious injury if it is not prevented. 1l

WARNING

Designates a dangerous situation, which can lead to death or serious injury if it is not prevented. 1l

CAUTION

Designates a dangerous situation, which can lead to slight or medium-grade injuries if it is not prevented. 1l

NOTICE

Designates a dangerous situation, which can lead to property damage if it is not prevented.

1lThis could also result in property damage.

Additional notes

The term Note is used in the crane documentation to make all persons working with the crane aware of useful information and tips.

2

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Contents

Contents

20 Diagnostics

13

20.01 Procedure in case of problems

14

1 Procedure to follow in case of a problem

15

2 Error diagnostics in LICCON computer system

21

3

Measures in clear problem cases

29

4

Measures for defective components

45

5 Avert an emergency situation: Ending a load lift 20.04 Overview Bus system

51 52

1 LIEBHERR System Bus

53

2 Overview of terms/ abbreviations in the LIEBHERR system bus

53

20.09 Test system Bluetooth™ Terminal {BTT)

56

1 The BTT test system

57

2

58

Function determination in the BTT test system

3 Error information in the BTT test system

67

4

69

Settings in the BTT test system

5 Transferring error messages from the BTT test system to the BSE test system

71

6 Problems on the operating elements of the BTT and radio remote control {BTT-E)

75

20.10 Test system BSE

80

1 The BSE test system

81

2 Settings in the BSE test system

81

3 Areas of the BSE test system

87

4

101

Procedure in case of error messages in the BSE test system

20.15 Remote diagnostics

114

1 The LWE remote diagnostics device 20.20 Diagnostics - disk brake pads 1 The diagnostics - disk brake pads

Index

115 120 121

125

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11

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