UNIT TITLE : DIAGNOSE AND TROUBLESHOOT COMPUTER SYSTEMS
UNIT CODE : ELC724321
UNIT DESCRIPTOR : This unit covers the knowledge, skills and attitudes needed to diagnose computer systems and networks.
ELEMENT PERFORMANCE CRITERIA
Italicized terms are elaborated in the Range of Variables
1. Plan and prepare for diagnosis of faults of computer systems 1.1. Diagnosis of faults is planned and prepared in line with job requirements
1.2. OH & S policies and procedures are followed in line with job requirements
1.3. Appropriate personnel are consulted to ensure that the work is effectively coordinated
1.4. Materials necessary to complete the work are obtained in accordance with established procedures and checked against job requirements
1.5. Tools, equipment and testing devices needed to carry out the work are obtained in accordance with established procedures and checked for proper operation and safety.
1.6. Computer systems and networks defects are checked against job requirements.
2. Diagnose faults of computer systems 2.1. Appropriate personal protective equipment is used in line with standard procedures.
2.2. Faults or problems in the computer systems and networks are diagnosed according to requirements and in line with the standard procedures.
2.3. Contingency measures are managed and implemented in accordance with established procedures
2.4. Unplanned events or conditions are responded to in accordance with established procedures
3. Rectify/correct defects in computer systems and networks 3.1. Appropriate personal protective equipment is used in line with standard procedures.
3.2. Defective components or parts are replaced or corrected without damage to the surrounding environment or services
3.3. Adjustments, if necessary are made in accordance with established procedures
3.4. Unplanned events or conditions are responded to in accordance with established procedures.
4. Test systems and networks 4.1. Computer systems and networks are tested to ensure safe operation.
4.2. Unplanned events or conditions are responded to in accordance with established procedures.
4.3. Report/s are prepared and completed according to company policy
Range of Variables
Variable Range
1. OH & S policies and procedures 1.1. OH & S guidelines
1.2. Philippine environmental standards
2. Computer systems and networks Includes but not limited to:
2.1. servers
2.2. peripherals
2.3. desktop computers
3. Materials Includes but not limited to:
3.1. Connectors
3.2. Adaptors
3.3. Wires and cables
3.4. Appropriate software
3.5. Computer storage media
4. Tools Tools for: cutting, shaping, drilling, threading, tapping, finishing, dismantling, and assembling. Tool set includes but not limited to:
4.1. Pliers (assorted)
4.2. Screw drivers (assorted)
4.3. Soldering iron/gun
4.4. Wrenches
5. Testing devices Testing devices includes but not limited to:
5.1. Multimeter
5.2. Calibrators
5.3. Signal generator
5.4. Oscilloscope
5.5. Appropriate software
6. Personal protective equipment Includes but not limited to:
6.1. Goggles/glasses
6.2. Mask
6.3. Gloves
6.4. Anti-static wrist wrap
Evidence Guide
1. Critical aspects of competency Assessment must show that the candidate:
1.1. Checked the computer systems and networks against job requirements
1.2. Correctly diagnosed the faults and problems in the computer systems and networks according to requirements and in line with the standard procedures
1.3. Corrected the defective components or parts of the computer systems and networks without damage to the surrounding environment or services
1.4. Tested the computer systems and networks to ensure safe operation.
2. Underpinning knowledge Includes but not limited to:
2.1. Occupational Health and Safety
2.2. Use of tools
2.3. Electrical theory
2.4. Wiring techniques
2.5. Digital electronics
2.6. Microprocessor
2.7. Power supplies
2.8. Electronic fault findings
2.9. Graphical user interface
2.10. Data communications
2.11. Local Area Networks
2.12. Network Operating Systems
2.13. Application software
2.14. Computer monitors
2.15. Basic telephony
2.16. Control programming style
2.17. Microprocessor programming
2.18. Multimedia computer systems
3. Underpinning skills 3.1. Reading skills required to interpret work instructions
3.2. Communication skills needed to interpret and define work procedures
3.3. Problem solving in emergency situation
4. Method of assessment The assessor may select two or more of the following assessment methods to objectively assess the candidate:
4.1. Observation
4.2. Questioning
4.3. Third Party
4.4. Portfolio
5. Resource Implication The following resources MUST be provided:
5.1. Tools
5.2. Test equipment/instruments
5.3. Materials
5.4. PPE
5.5. Technical manuals
6. Context of Assessment Assessment may be conducted in the workplace or in a simulated environment
