###### tags: `DrinkBot Changelog`

# DrinkBot R2.273 (2022-09-19)
## ⏰ Status

Released

## 🎉 New features

- Error code system to help improve the performance of the machine (Notification will be sent to the service team once error detected)
- Error Type:
1. Cleaning sink overflow
2. Cleaning failed
3. Abnormal cool area temperature
4. Tubes disabled
5. MCU down
6. Offline for many days
7. No sales for many days
8. Abnormal calibration ratio
9. Abnormal flavor flow rate
10. Low filter water flow rate

## ✨Optimizations

- Modify software update logic to make switching between different version easier for QA
- Reduce maximum allowed failed queue size to prevent memory overloaded
- Increase allowed internet connection timeout for location with bad internet

## 🐛 Bugs Fix
- Fix clear order history if a machine is transferred to a different user
- Fix incorrect machine model name on CB
- Fix incorrect fridge temperature shown in home page for model 4.3
- Fix incorrect empty tube timeout when number of tubes to be cleaned is 5
- Fix cleaning summary missed a few steps

## 😖 Known Issues
- Dispense test inaccurate for some ingredients

## ☑ Test Report

**[Test Report]()**