Information valve body
BOSCH
9 441 610 039
9441610039
ZEXEL
152119-0020
1521190020
ISUZU
5157550040
5157550040
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Test Procedure
System Operation
The SLC 5/04 diagnostic indicators are located on the front of the following components: Power Supply, CPU and I/O Modules.The diagnostic indicators help trace the source of the fault. Faults can be found in the following components: Input devices, Output devices, Wiring and The controller.
Illustration 1 g00563535
Diagram of the LED indicators
Illustration 2 g00562937
Functional Test
Check the electrical connectors and check the wiring.
Bodily contact with electrical potential can cause bodily injury or death.To avoid the possibility of injury or death, ensure that the main power supply has been disconnected before performing any maintenance or removing any modules.
Disconnect the power supply.
Check the electrical connectors and check the wiring for damage or bad connections.
Verify that all modules are properly seated.
Connect the power supply.
Verify the status of the LED on the SLC 5/04.The results of the preceding procedure are in the following list:
All of the components are fully installed. All of the components are free of corrosion. All of the components are free of damage. All of the modules are properly seated. Proceed to 2.
The components are not fully installed. The components are not free of corrosion. The components are damaged. All of the modules are not properly seated. Repair the component. Verify that the repair resolves the problem. STOP.
Check the line voltage.
Reconnect the power supply.
Measure the line voltage at the terminals.
Verify the voltage of the power supply. The power supply voltage should be measured between 21.0 VDC and 28.0 VDC.The results of the preceding procedure are in the following list:
The line voltage is in the range. Proceed to 3.
The line voltage is out of the range. Refer to Troubleshooting, "System Power". Stop.
Attempt to operate the processor in the "RUN" mode.
Place the switch in the RUN position.The results of the preceding procedure are in the following list:
The processor enters the "RUN" mode. The processor resumes normal operation. Stop.
The processor will not enter the "RUN" mode. Proceed to 4.
Check the processor.
To avoid damage to electronic components, do not remove the processor from the SLC 5/04 Chassis until all power is removed from the power supply.Do not expose memory modules to surfaces or areas that may typically hold an electrostatic charge.
Bodily contact with electrical potential can cause bodily injury or death.To avoid the possibility of injury or death, ensure that the main power supply has been disconnected before performing any maintenance or removing any modules.
Disconnect the power supply.
Remove the processor from the chassis.
Install the processor in another chassis.
Connect the power supply.
Configure the power supply.
Attempt to operate the processor in the "RUN" mode.The results of the preceding procedure are in the following list:
The processor enters the "RUN" mode. The processor will not perform functions in the run mode. Replace the chassis. Verify that the repair solves the problem. Stop.
The processor will not enter the "RUN" mode. Replace the processor. Refer to Maintenance Procedure, "Processor - Replace".
System Operation
The SLC 5/04 diagnostic indicators are located on the front of the following components: Power Supply, CPU and I/O Modules.The diagnostic indicators help trace the source of the fault. Faults can be found in the following components: Input devices, Output devices, Wiring and The controller.
Illustration 1 g00563535
Diagram of the LED indicators
Illustration 2 g00562937
Functional Test
Check the electrical connectors and check the wiring.
Bodily contact with electrical potential can cause bodily injury or death.To avoid the possibility of injury or death, ensure that the main power supply has been disconnected before performing any maintenance or removing any modules.
Disconnect the power supply.
Check the electrical connectors and check the wiring for damage or bad connections.
Verify that all modules are properly seated.
Connect the power supply.
Verify the status of the LED on the SLC 5/04.The results of the preceding procedure are in the following list:
All of the components are fully installed. All of the components are free of corrosion. All of the components are free of damage. All of the modules are properly seated. Proceed to 2.
The components are not fully installed. The components are not free of corrosion. The components are damaged. All of the modules are not properly seated. Repair the component. Verify that the repair resolves the problem. STOP.
Check the line voltage.
Reconnect the power supply.
Measure the line voltage at the terminals.
Verify the voltage of the power supply. The power supply voltage should be measured between 21.0 VDC and 28.0 VDC.The results of the preceding procedure are in the following list:
The line voltage is in the range. Proceed to 3.
The line voltage is out of the range. Refer to Troubleshooting, "System Power". Stop.
Attempt to operate the processor in the "RUN" mode.
Place the switch in the RUN position.The results of the preceding procedure are in the following list:
The processor enters the "RUN" mode. The processor resumes normal operation. Stop.
The processor will not enter the "RUN" mode. Proceed to 4.
Check the processor.
To avoid damage to electronic components, do not remove the processor from the SLC 5/04 Chassis until all power is removed from the power supply.Do not expose memory modules to surfaces or areas that may typically hold an electrostatic charge.
Bodily contact with electrical potential can cause bodily injury or death.To avoid the possibility of injury or death, ensure that the main power supply has been disconnected before performing any maintenance or removing any modules.
Disconnect the power supply.
Remove the processor from the chassis.
Install the processor in another chassis.
Connect the power supply.
Configure the power supply.
Attempt to operate the processor in the "RUN" mode.The results of the preceding procedure are in the following list:
The processor enters the "RUN" mode. The processor will not perform functions in the run mode. Replace the chassis. Verify that the repair solves the problem. Stop.
The processor will not enter the "RUN" mode. Replace the processor. Refer to Maintenance Procedure, "Processor - Replace".