Waters e2695 Leaking Syringes

[fareedtayyeb]

The syringe "drive assembly" itself is different to the old Wisp, but not the syringe assembly . A syringe out of an older Wisp with good top seals will work fine on all Alliances. They are usually well built. I have actually tested them at over 500 psi of pressure inside the glass sleeve.
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Unique issue in Waters Alliance just like Waters 717 Autoosampler is that the needle at STREAM never leaks once we closes V3,V2 manually and then we checked it at WET and SEAL positions too. This means Valve 1 is okay
However when we test V1 by the procedure it hangs on with Restrictor Missing. with small amount of leak probably Needle Wash solution on vial found.
Seal Pack ADJUST test also hampered with Restrictor Missing message.

Same happens in V2 test . The Waste Valve 3 open upon PURGE mode but again when it performs compressibility test hangs on with restrictor failure error.

I cant believe all my Waters Alliance have same issue and 1 717 autosampler. Something is really wrong.

I noted and did the battery replacement too.

Plz guide

Thanks

[fareedtayyeb]

In our particular case, the leak in the newly-installed syringe (immediately after a PM) was found at the top of the syringe near the glass-metal interface (white seal at top). No bubbles were present in the syringe after repeated injector purges, and (weirdly?) we didn't see any problems with the peak area precision in either the PM work or in one sample run performed after the PM...we did run samples although the compressibility check failed.

Don't know what Terry's symptoms are...perhaps they were similar to ours?

@ Tony--understood. I've not quite the experience you have, but I go back to WISP autosamplers, too...ca. 15 years or so, and heck, the syringe didn't look quite the same to me as they "used to," but I could be mistaken...

Unique issue in Waters Alliance just like Waters 717 Autoosampler is that the needle at STREAM never leaks once we closes V3,V2 manually and then we checked it at WET and SEAL positions too. This means Valve 1 is okay
However when we test V1 by the procedure it hangs on with Restrictor Missing. with small amount of leak probably Needle Wash solution on vial found.
Seal Pack ADJUST test also hampered with Restrictor Missing message.

Same happens in V2 test . The Waste Valve 3 open upon PURGE mode but again when it performs compressibility test hangs on with restrictor failure error.

I cant believe all my Waters Alliance have same issue and 1 717 autosampler. Something is really wrong.

I noted and did the battery replacement too.

Plz guide

Thanks