| 1. Confirm exact compatibility | Match the part number, ATM model, hardware revision, connector type, voltage, and applicable firmware requirements. Check the service documentation for approved replacements. | Verify the part against the machine’s configuration before installation. After fitting, check that connectors are seated correctly and the component is recognized by the ATM. | Record the installed part number and revision in the service history. Recheck compatibility before ordering future replacements. |
| 2. Diagnose before replacing | Review error logs, service messages, recent changes, and related components. A symptom can be caused by power, cabling, software, or a neighboring part rather than the suspected component. | Document the fault and any diagnostic results before removing the existing part. After replacement, confirm the original fault no longer occurs. | Track recurring faults and repeat repairs. Use the records to identify patterns that may call for additional inspection or root-cause analysis. |
| 3. Check quality and traceability | Look for clear part identification, suitable packaging, available technical documentation, and a verifiable supply history. Avoid parts with damaged seals, corrosion, or uncertain specifications. | Inspect the part for shipping damage and compare it with the removed component. Follow handling precautions for sensitive electronic parts, including electrostatic-discharge controls where applicable. | Keep purchase and installation records, including part identifiers and dates, to support troubleshooting and warranty or supplier inquiries. |
| 4. Plan a safe installation | Confirm the required tools, access, service procedure, and technician qualifications. Follow the ATM manufacturer’s instructions for isolating power and handling stored energy or moving mechanisms. | Schedule appropriate service downtime, protect customer and transaction data, and secure the work area. Restore power only when the assembly is complete and the service procedure permits it. | Keep current service procedures available and ensure technicians receive role-appropriate safety and equipment training. |
| 5. Inspect the surrounding assembly | Check nearby cables, connectors, mounts, guides, and contact surfaces for wear, looseness, contamination, or damage that could affect the replacement part. | Install the part in the specified orientation and route cables as directed. Confirm that covers, fasteners, and moving parts are correctly reassembled without pinched wiring. | Include adjacent components in routine inspections at intervals recommended by the equipment documentation and the site’s maintenance plan. |
| 6. Test the full operating sequence | Use the approved diagnostic procedure for the affected function. Test relevant sensors, indicators, communication links, and mechanical movement rather than relying only on a successful power-up. | Run the manufacturer-prescribed service tests and, where appropriate, a controlled end-to-end transaction test. Confirm the ATM returns to its intended operational state and check for new error messages. | Document test results and monitor the machine for repeat faults after it returns to service, following site procedures for transaction and security checks. |
| 7. Plan for future maintenance | Consider expected service life, storage conditions, lead time, support documentation, and whether the part requires calibration or configuration after installation. | Complete any required setup or calibration and record the settings or procedure used. Keep the removed part identified until the repair is verified and disposal or return is authorized. | Set inspection and replacement intervals according to manufacturer guidance, operating conditions, and observed performance. Store spare parts in suitable, labeled conditions. |