# FAQ

## Question 1: The scan is successful, the buzzer sounds once, but no data is uploaded?
**Answer:** The scanner has entered storage mode and needs to scan [Normal Mode](working.md#normal-mode) to recover.

## Question 2:The scanner scans successfully, beeps twice, and can upload data normally. What is going on?
**Answer:** The battery of the scanner gun is low and it prompts that it needs to be recharged.

## Question 3:The scanner beeps five times when a button is pressed. How can I solve this problem?
**Answer:** The battery is low and needs to be charged before it can be used again.

## Question 4:Scan successful, uploaded data incorrect?
**Answer:** 
- The Chinese input method needs to be switched to the English input method
- Scan Instructions US Language Setting