SkyAzúl Krupp EKS 83 - Checking Data Transmitters; Fault Diagnosis And Error Code Rectification

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Between 0 - 3 links (inclusive) can be fitted to each board. This will give up to 8 Permutations of

configuration. Each configuration, varies the 'Output Signal' level of the transmitter board onto the Data

Bus, thereby giving it a unique signature, therefore we can have up to 8 transmitters with different output

signals on 1 Data Bus.

A second Data Bus must be used for machines that use more than 8 transmitters, e.g. 5 section (4

telescoping section) boom machines. –

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The CPU identifies each individual transmitter board from its unique signal off its corresponding Data

Bus. The CPU samples the Data from each transmitter in turn and if it fails to detect one or more it will

give a fault warning (audible), lock out the crane motions and display an Error code in the Status display

window (P 1).



CheckingDataTransmitters

Any data transmitter failure is registered by the central unit as a 'Missing Transmitter

Identification Signal' and displayed as a malfunction.

The CPU will react as follows:- Console 'Cut Ofr and Status display will show a code for most transmitter

failures it is prefixed with

'd='.

Note:- On a number of models a prefix of 'g=' will represent certain transmitters, i.e. machines with

4 telescoping sections. See Transmitter Identification Sheet.

See diagnosis sheets for the assistance in correcting malfunctions.

Transmitter Identification Sheet

A Transmitter Identification Sheet containing the various Models, Transmitter number, the motion they

monitor and the Error Code associated with it, is copied at the back of this publication.



FaultDiagnosisandErrorCodeRectification

The following pages are to assist you in clearing Error Codes and carrying out general Fault Diagnosis on

the EKS 83. If these steps do not help you clear the problem and it becomes necessary to contact Grove

for assistance, a precise and detailed description of the malfunction will assist understand your problem

and could help you with future problems without having call for assistance. Such a description should

address the following points as a matter of course:



1. Exact malfunction description

2. Under what conditions does the malfunction occur

3. What is indicated on the five display windows :-

• Status Display (P 1) =

• Load(P2) =

• Load Cut-off (P3)

• Radius (P4) =