---
title: "Fault Diagnosis & Troubleshooting - José DA COSTA"
description: "Electrical and electronic fault diagnosis, troubleshooting, preventive and corrective maintenance on complex technical equipment."
locale: "en"
canonical: "https://portfolio.josedacosta.info/en/skills/fault-diagnosis-troubleshooting"
source: "https://portfolio.josedacosta.info/en/skills/fault-diagnosis-troubleshooting.md"
html_source: "https://portfolio.josedacosta.info/en/skills/fault-diagnosis-troubleshooting"
author: "José DA COSTA"
type: "skill"
slug: "fault-diagnosis-troubleshooting"
generated_at: "2026-04-23T15:46:31.119Z"
---

# Fault Diagnosis & Troubleshooting

**Technical competency** - bac-pro-maemc (BAC Pro) - Developing

## Competency description

Electrical and electronic fault diagnosis, troubleshooting, preventive and corrective maintenance on complex technical equipment.

## Personal Confidence

**Developing** - 2/5

Scale: 1. Foundational · 2. Developing · 3. Proficient · 4. Advanced · 5. Expert

This reflects my personal confidence in applying this competency in real-world professional situations, based on hands-on experience, continuous learning, and practical outcomes.

## Details

- Domain: Hard skill (technical)
- Source: bac-pro-maemc (BAC Pro)
- Confidence level: 2/5 (Developing)
- Category: electronics

## Progression across journey

This skill was developed across 2 different journey items.

- **1997** - [bep-icef](https://portfolio.josedacosta.info/en/journey/bep-icef.md) (education) - Confidence: 2/5
- **1999** - [bac-pro-maemc](https://portfolio.josedacosta.info/en/journey/bac-pro-maemc.md) (education) - Confidence: 2/5

## Related curriculum topics

- **Corrective Maintenance & Repair** (Block 1 - Equipment Diagnosis & Maintenance): Electrical and electronic circuit repair
- **Technical Communication & Customer Relations** (Block 3 - Customer Relations & Professional Environment): Usage advice and fault prevention

## Broader curriculum context

Other modules from the same training program that provide complementary context:

- **Fault Diagnosis & Troubleshooting** (Block 1 - Equipment Diagnosis & Maintenance): Structured diagnostic methodology, Symptom identification and root cause analysis, Use of measuring instruments (multimeter, oscilloscope, clamp meter), Reading and interpreting electrical and electronic schematics, Power and control circuit diagnostics
- **Preventive Maintenance** (Block 1 - Equipment Diagnosis & Maintenance): Maintenance plan design and tracking, Periodic inspections and regulatory checks, Cleaning, lubrication, and wear part replacement, Performance measurements and operating parameter monitoring, Intervention reports and documentation
- **Electrical Circuits & Power Electronics** (Block 2 - Electrical Engineering & Electrical Systems): Fundamental electrical laws (Ohm's, Kirchhoff's), Single-phase and three-phase circuits, Electronic components (diodes, transistors, thyristors), Power converters (rectifiers, inverters, variable speed drives), Circuit and personnel protection
- **Household Electrical Appliances** (Block 2 - Electrical Engineering & Electrical Systems): Washing machines, dryers, and dishwashers, Refrigerators, freezers, and domestic cooling systems, Ovens, cooktops, and microwave ovens, Vacuum cleaners, robots, and small household appliances, Electric heating systems and water heaters
- **Institutional & Commercial Equipment** (Block 2 - Electrical Engineering & Electrical Systems): Professional cooking equipment (ovens, fryers, kettles), Industrial laundry equipment (washer-extractors, dryers), Cold rooms and refrigerated display cases, Institutional catering equipment, Ventilation and extraction systems
- **Automation & Control Systems** (Block 2 - Electrical Engineering & Electrical Systems): Sensors and actuators, Basic PLC programming, Temperature, pressure, and flow regulation, Safety systems and protective devices, Human-machine interfaces
- **Health, Safety & Environment** (Block 3 - Customer Relations & Professional Environment): Electrical safety certification (B1V, BR, BC), Occupational risk prevention, Refrigerant handling, Waste sorting and recycling (WEEE), Environmental regulations
- **Work Organization & Activity Management** (Block 3 - Customer Relations & Professional Environment): Intervention scheduling and time management, Supply chain management and logistics, CMMS (Computerized Maintenance Management System) tools, Basic accounting and cost management, Technology watch and continuous learning
- **French, History-Geography & Civic Education** (Block 4 - General Education): Professional written and oral expression, Document analysis and synthesis, General knowledge and global awareness
- **Mathematics & Physical Sciences** (Block 4 - General Education): Electricity and magnetism, Thermodynamics and heat transfer, Applied fluid mechanics, Statistics and data processing
- **Foreign Language (English)** (Block 4 - General Education): Technical vocabulary in English, Technical documentation reading, Professional oral communication
- **Physical Education & Sports** (Block 4 - General Education): Physical and sports activities, Physical fitness development
- **Work Placement Periods (22 weeks)** (Block 4 - General Education): Immersion in after-sales service maintenance companies, Workshop and on-site customer interventions, Placement report and oral presentation

## Other technical competencies from the same diploma

- [Electrical Engineering & Electrotechnics](https://portfolio.josedacosta.info/en/skills/electrical-engineering-electrotechnics.md) - Electrotechnics, power circuits, electrical installations, automation and control, commissioning, and electrical safety certifications.
- [Electronic Schematic Reading](https://portfolio.josedacosta.info/en/skills/electronic-schematic-reading.md) - Reading, interpreting and exploiting electrical, electronic and hydraulic schematics along with manufacturer technical documentation.

## Acquired during: Vocational Baccalaureate in Household & Institutional Equipment Maintenance (MAEMC), Specialization: Electrical Engineering

Vocational Baccalaureate in Household and Institutional Equipment Maintenance with Electrical Engineering specialization. Three-year program at Saint-Genes La Salle, Bordeaux (2000-2003).

[See full journey entry](https://portfolio.josedacosta.info/en/journey/bac-pro-maemc.md)

Full interactive page with navigation: https://portfolio.josedacosta.info/en/skills/fault-diagnosis-troubleshooting