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Problems are abnormal symptoms of failure that are noticed while operating the equipment. Tell me more.
Select the “Associate Problem codes” link from the bottom of the “Edit Troubleshooting Guide” page.
The “Associate Problem Codes” page appears.
Enter the following field in the “Copy” group box, to copy the problem codes from a trouble-shooting guide that is already defined:
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From TSG |
The trouble-shooting guide from which you wish to copy the problem codes (Alphanumeric, 30). |
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Help facility available | |
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Include Resolutions |
Check this box if you wish to copy the problem codes along with the resolutions attached to them. |
Click the “Copy” pushbutton to copy the problem codes to the trouble-shooting guide being defined.
Note: The system copies the problem codes at the level next to the level of the problem code selected in the “Parent Problem Code” field. If you have left the “Parent Problem Code” field blank, the system copies the problem codes to the trouble-shooting guide at the first level.
The system displays the following field:
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TSG |
The trouble-shooting guide with which you wish to associate problem codes. |
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The description of the trouble-shooting guide is displayed alongside. | |
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Zoom facility available |
Enter the following field, if you wish to associate child problem codes with a parent problem code that is already defined:
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Parent Problem Code |
Use the drop-down list box to select the problem code for which you wish to define child problem codes. The drop-down list box appears blank when the page is launched for the first time, to indicate that you can associate problem codes at the first level in the hierarchy, by directly entering them in the multiline. When you click the “Associate” pushbutton, the system fills this drop-down list box with the problem codes entered in the multiline, sorted in the alphabetical order. You can then select the problem code with which you wish to associate the child problem codes. |
The system displays all the child problem codes belonging to the selected parent problem code, in the “Problems” multiline.
In the “Problems” multiline, the system displays all the child problem codes belonging to the problem code selected in the “Parent Problem Code” field. If you have left the “Parent Problem Code” field blank, the system lists all the problem codes associated with the trouble-shooting guide at the first level.
If you wish to view the problem codes that are already associated with the trouble-shooting guide, select the “View Tsg” link from the bottom of the page.
Enter the following field in the multiline, if you wish to associate additional problem codes:
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Problem Code |
The problem code to be associated with the trouble-shooting guide, at the level next to the level of the selected parent problem code (Alphanumeric, 30). |
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Ensure that: | |
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Press <Enter>. The system displays the “Description” field in the multiline. |
Note: If the “Parent Problem Code” field is left blank, the system associates this problem code with the trouble-shooting guide at the first level in the hierarchy.
The system fills in the following field:
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Desc. |
The description of the problem code. |
Check the box in the “Select” column of the multiline, to select the problem codes, which you do not wish to associate with the trouble-shooting guide.
Click the Delete icon in the toolbar above the multiline to delete the selected problem codes.
Click the “Associate” pushbutton to associate the problem codes with the trouble-shooting guide.
Note: The system associates the problem codes with the trouble-shooting guide for those rows that are not marked for deletion, and updates the problem hierarchy. The system also refreshes the “Parent Problem Code” field with the problem codes in the multiline. You can select another parent problem code from the “Parent Problem Code” drop-down list box and associate child problem codes with it.
If you have attached the parent problem code as a child problem code at a different level in the hierarchy, the system associates the problem code along with its hierarchy. That is, within a TSG any problem will have the same set of child hierarchy wherever it is attached.
To proceed, carry out the following
Select the “Attach Resolutions” link from the bottom of the page to modify the resolutions that are attached to the trouble-shooting guide.
Select the “View Tsg” link from the bottom of the page to view trouble-shooting guides.
Associate Problem Codes – An overview
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Problems are abnormal symptoms of failure that are noticed while operating the equipment. A problem can occur on equipment independently, or due to various other problems, thereby leading to a chain of problems in the equipment.
A problem that leads to the occurrence of another problem is referred to as the child problem. The problem that occurs due to the occurrence of the child problem is termed as the parent problem. For example, “No chill water supply” was encountered in a chilling plant, which could have been caused due to “Compressor getting tripped” or “Overload relay getting tripped”. Here “Compressor getting tripped” and “Overload relay getting tripped” are child problems and “No chill water supply” is the parent problem. A parent problem can have many child problems and each child problem can in turn happen due to many more child problems. The relationship between the various levels of problems that is typically experienced in equipment or a group of equipment are defined in a Trouble Shooting Guide as the problem hierarchy. The problems that are associated with the trouble-shooting guide directly is said to be associated in the first level in the hierarchy of problems.
Trouble shooting guide of a chilling plant – An example
The problem identified in a chilling plant was “No chill water supply”. This problem could have been caused due to various other problems such as the compressor got tripped or the Plate heat exchanger got clogged or the chilled water pump got tripped. The compressor in turn could have tripped due to the tripping of overloading relay, which in turn could be due to voltage imbalance. The voltage imbalance may have occurred due to the loose connection of the power cable. Reconnecting the cables could solve the problem of the loose connection, which is the resolution for the problem. In a similar manner, the root cause of the “No Chilled water supply” is identified and resolutions are attached to solve the problem.
Figure 1 is a graphical representation of the hierarchy of problems in a chilling plant.
Figure 1. Trouble shooting guide of a chilling plant
If you know the exact problem codes to be associated with the trouble-shooting guide, you can directly enter them. Otherwise you can use the help facility to search for problem codes. The problem codes that are directly associated with the trouble-shooting guide form the first level in the problem hierarchy. If these problem codes are caused due to various other problems, you can record them as child problems by selecting the parent problem code. The system associates the child problem codes at a level next to the level of the selected parent problem code.
You can also associate problems with the trouble-shooting guide by copying the details from a trouble-shooting guide that is already defined.
Create Problem Code
Copy the problem codes from an existing trouble-shooting guide
Copy the problem codes from an existing trouble-shooting guide
You can copy the problem codes that are already defined for an existing trouble-shooting guide to the trouble-shooting guide that is being created or modified.
Enter the trouble-shooting guide from which problem codes must be copied in the “From Tsg” field.
Check the “Include Resolutions” box if you wish to copy the problem codes along with the resolutions.
Click the “Copy” pushbutton.
