Ace the CBET Challenge 2025 – Master Biomedical Equipment with Style!

Question: 1 / 400

After powered on, if an ESU does not respond when cut, coag, and/or blend is activated, what is the most appropriate initial action?

Replace fuse

Check return electrodes

When an Electrosurgical Unit (ESU) does not respond when the cut, coag, or blend functions are activated, the most appropriate initial action involves checking the return electrodes. This is because the return electrode is crucial for completing the electrical circuit necessary for the ESU to function properly. If the return electrode is not making good contact with the patient's skin or if there are issues such as improper placement, dryness, or malfunction, the unit may not operate as intended.

Ensuring that the return electrode is functioning correctly and has a good connection is a critical first step before diagnosing other potential issues, such as internal component failures or power supply problems. Checking the return electrode can often quickly resolve the problem without needing to delve into more complex troubleshooting steps or replacements. This approach is both efficient and effective in a clinical setting.

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Check all internal connections

Check low voltage power supply

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