ESI probe hissing on Xevo MS or SYNAPT system - WKB2164
Article number: 2164
SYMPTOMS
- There is a loud hissing sound coming from the ESI probe
- The system may fail the source pressure test
ENVIRONMENT
- Xevo triple quads
- Xevo QTof
- Xevo G2 QTof
- Xevo G2-S QTof
- Xevo G2-XS QTof
- SYNAPT G2 QTof
- SYNAPT G2-S QTof
- SYNAPT G2-Si QTof
CAUSE
The sample probe is not connected properly and API gas is escaping.
FIX or WORKAROUND
- Open the source enclosure door.
- Unscrew the collar on the ESI probe and pull it up a few inches.
- Reseat the probe by pushing it all the way down, and then screw the collar down.
- Close the source enclosure door.
ADDITIONAL INFORMATION
The source pressure test should ensue and pass at this point. You should no longer hear hissing from the ESI probe.
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