● Checked Nov 9, 2026From Pudu support
Pudu BellaBot
Pudu BellaBot "Self test (POST) fails" (POST fails): what it means and the fix
Steps2
ToolsNone
PartsNone
Works for Pudu BellaBot (BL100, BL101, BL110) and BellaBot Pro delivery robots.
Short answer
What it means: The robot's power on self test did not pass.
Quick fix: Check the battery has enough charge, and charge it if not.
Fix it in 2 steps
- Check the battery has enough charge, and charge it if not.Done?
- Restart the robot under the positioning mark.Did it work?
Fixed when: The robot starts normally.
Great, it is fixed. Bookmark this page in case it comes back.
Still showing Self test (POST) fails?
The self test still fails. Contact your local Pudu distributor, or Pudu technical service at [email protected]. Contact Pudu support at +86 755-86952935. Warranty: Varies by component; see the warranty card. Pudu support →
Parts that fix this
BatteryFor Pudu BellaBot on AmazonCheck price →Check the part fits your model. Affiliate links: we may earn a commission at no cost to you.
Why it happens
- The robot was not started under the positioning mark
- Low battery
Other Pudu BellaBot errors
Loss of positionPositioning failure (I'm lost)›Low battery, pleBattery too low›Motor rotation aMotor error›Sensor connectioSensor error›Robot can't bootRobot will not power on›Keeps happening? Compare before you replace
Pudu BellaBot Pro$16,000 · Upgraded BellaBot with an 18.5 in ad screen and swappable batteryCheck price →
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