Advance SC901 handleiding
Handleiding
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36Service Manual – SC901 24 - Electrical System
Troubleshooting
General Electrical Troubleshooting
Diagnosing machine failures commonly involves testing electrical components and tracing electrical circuits
as they pass throughout the machine. This section is intended to provide you with the general information
necessary to identify an electrical circuit from a schematic, and physically trace it and test it within the
machine itself, as well as common steps necessary to test the electrical components making up that circuit.
“Electrical Circuit Diagram” on page 48:
The main wiring diagram, generally referred to as the “Ladder Diagram” to distinguish it from other forms
of wiring diagrams, provides the electrical functions of the circuits, modules, and components, but does not
necessarily represent the physical locations of those components. This describes the raw interaction between
components to achieve their functions.
The Ladder Diagram serves as the main launching point for all other electrical information, in that it
also contains device labels, connector identiers, and even wire colors. This information is described in
“Understanding the Features of the Main Wiring Diagram” on page 37.
“Wiring Diagram” on page 49:
The main purpose of the wiring harness diagram is to trace the physical connections for each discrete wire in
the system. Every wire in the machine’s harness is given a unique wire-number identier. The signicance
of this is that even though the schematic shows a continuous circuit from one electrical connector to another,
that circuit may be made up from one or more individual wire segments spliced together. Each of those
segments has its own unique number, and those numbers are even printed directly on the physical wires.
“Connector Pinouts” on page 50:
The Harness Diagram identies connector numbers throughout the system. J-connectors are those that are
physically connected to a device or module, such as the Main Machine Controller. X-connectors are those
that are in-line connectors between harnesses or other groups of wires, including extension wires that may
be integral to a particular component. Some, but not all X-connectors are shown in the schematic, but all
X-connectors are shown in the wiring harness diagram.
These tables are used to identify which wires pass through each connector, and at what location within that
connector. Each table is accompanied by a graphic to identify the pin numbers. The table then correlates
each of those pin numbers with the wire number, wire color, and functional description of the wire. 3D views
of the connectors are shown, so that you can be certain which side of the connector you are looking at when
identifying which pin is pin-#1.
This information is used for Back-Probing Connector Voltages described on page 40, and Testing Cables
described on page 41
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Productinformatie
| Merk | Advance |
| Model | SC901 |
| Categorie | Boenmachine |
| Taal | Nederlands |
| Grootte | 46127 MB |
