Customer service for a defective redox probe: problem troubleshooting and solution finding.

Client:
Hello! We received a redox probe from you, compatible with Idegis. When calibrating, it always shows E2. According to the description, this would mean that it is broken. Best regards, Elfie Scherf

Technical Advisor:
Hello

Client:
What can I do?

Technical Advisor:
Hello, unfortunately sometimes it happens that we send you a new probe today

Client:
Ok. This would be very kind. Do you need any data?

Technical Advisor:
It's fine, I see your name

Client:
Okay. Thank you

Technical Advisor:
I'm sorry, but it happens. I wish you a nice day