### Knowledge Article

**Issue:**
The customer reported an issue titled "ATOMX US15197003 CJO JAN 09 2023," where they experienced a recurring problem with the replacement of traps, stating that "ethers come back" after a while, only to disappear again. This issue is categorized under the complaint code "7 Port Valve Issue - 2028-Volatile Organic Compound."

**Cause:**
The problem was described in detail, indicating that the customer was facing a persistent issue with the traps. The cause of the problem is linked to the "Liquid from Port - 7 Port Valve Issue - 2028-Volatile Organic Compound." The customer noted that despite replacing the traps, the same issue recurred, suggesting a deeper underlying problem with the valve system.

**Resolution:**
To resolve the issue, a technician named Carlos Orlandi was assigned to the case. The work summary indicates that the unit was giving a "rear pump flag not detected" error on initial bootup, which did not resolve with a reboot or unplugging. Upon inspection, it was found that the rear pump drive gear had one set screw tight and the other not secured. The technician corrected the set screw, which fixed the issue. Testing confirmed that the unit passed with ELSD, and the other pump was functioning correctly. This work was completed on September 13, 2024.

**Products Used:**
- **Product Name:** CONN HEADER .100" DUAL STR 6POS
- **AX Product ID:** 16-20-089
- **Quantity:** 1
- **Product Name:** "5 MOLAR" LIBR ELECTROLYTE
- **AX Product ID:** P096-2296
- **Quantity:** 10

This article summarizes the issue, cause, resolution, and products used in addressing the customer's complaint effectively.