Our LakeShore 7300 VSM will appear "Error opening port:No 8250 present "when we open the software and Error number 458,I don't know what happed,could you tell me what shoud I do when the error code appears? I would really appreciate it if you can give me some operation steps or instructions.
Post by Lake Shore Cosmin on Oct 8, 2020 6:12:33 GMT -5
Hello Zhao, Please write email@example.com from your institution e-mail and please include the address and other contact info. Although the support for Model 7300 VSM for discontinued, we'll do our best to advise and troubleshoot. Thank you,