15
Controller temperature sensor fault
Quick answer
Error code 15 indicates a fault with the controller's temperature sensor. This issue can affect the performance of the e-bike and may prevent it from operating normally.
Does this apply to your bike?
H700 · Bafang · Common displays: DP E171
Heads-up: the same number can mean different things on other systems — always check your drive system first. Browse all drive systems →
What you’ll notice
The display shows error code 15, and the motor may not function properly.
Likely causes, ranked
Start at #1 — causes are ordered by how often they turn out to be the problem.
#1 Faulty temperature sensor
How to check: Inspect the controller for any visible damage or disconnections.
#2 Wiring issues
How to check: Check the wiring harness for any signs of wear, corrosion, or loose connections.
Troubleshooting steps
-
Inspect the controller
Check the controller for any visible damage or disconnections.
If it passes →Check wiring harness.If it fails →Stop and see a professional. -
Check wiring harness
Inspect the wiring for wear, corrosion, or loose connections.
If it passes →Error resolved.If it fails →Stop and see a professional.
When to stop and get professional help
If the error persists after checking the controller and wiring, stop and see a professional.
Never open, puncture, or disassemble the battery pack, and never bypass the BMS. See our safety guide.
More codes for H700
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Sources & verification
- "30" - Communication failed - Bafang E
- BAFANG | FAQs |
- Bafang Error Codes List: Meanings, Quick Fixes, and When to Contact a | Upway
- Bafang Error Code Documentation
- E-bike Error Code Troubleshooter: Bosch Smart System, Shimano, Bafang, DJI Avinox Codes Explained
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