What could a strong odor indicate during the refrigerant recovery process?

A strong odor during the refrigerant recovery process is often an indicator that a compressor burn-out may have occurred. When a compressor burns out, it can produce a distinct and noticeable smell due to the oil and other components in the system breaking down and releasing odors. This can happen for various reasons, such as overheating or electrical failure, and it signifies that the system may have sustained significant damage.

In the context of refrigerant recovery, identifying a strong odor is critical, as it helps technicians understand the condition of the system they are working on. Addressing potential compressor burn-out promptly is essential for accurate diagnosis and effective repairs to prevent further system damage.