Error with the hall sensor

Stop riding Last verified: pending review Reviewed by: editorial team

Quick answer

Error code 08 indicates a malfunction with the hall sensor in the motor. This sensor is crucial for smooth motor operation, and issues can arise from damaged connections or the sensor itself.

Stop riding Drive unit / motor Often DIY-friendly Intermediate (30–60 min)

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 08, and the motor may not operate correctly.

Likely causes, ranked

Start at #1 — causes are ordered by how often they turn out to be the problem.

#1 Damaged Hall Sensor

How to check: Inspect the hall sensor for physical damage or malfunction.

#2 Loose or Corroded Connections

How to check: Check all connectors and cables from the motor for looseness or corrosion.

#3 Bent or Broken Pins

How to check: Inspect connector pins for bending or breakage.

#4 Dirt or Debris in Connectors

How to check: Clean any dirt or debris from the connector pins.

#5 Wire Insulation Damage

How to check: Examine the wiring for any signs of damage or wear.

#6 Broken Connector Shell

How to check: Inspect the connector shell for any cracks or breaks.

Troubleshooting steps

Check Motor Connectors

Tools: None easy

Inspect all connectors from the motor for damage or corrosion.

If it passes →Clear the error code and test the motor.

If it fails →Repair or replace damaged connectors.
Inspect Hall Sensor

Tools: None intermediate

Check the hall sensor for any visible damage or malfunction.

If it passes →Clear the error code and test the motor.

If it fails →Replace the hall sensor.
Test Motor Functionality

Tools: None easy

Reconnect all components and turn on the system to check for error code.

If it passes →Motor operates normally.

If it fails →Contact Bafang for further assistance.

When to stop and get professional help

If the error persists after checking connections and replacing components.

Never open, puncture, or disassemble the battery pack, and never bypass the BMS. See our safety guide.

More codes for H700

04 · The throttle has not returned to its correct position 07 · Over voltage protection 09 · Fault with motor phase winding 10 · Overtemperature of motor 11 · Motor temperature sensor fault

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Sources & verification

Last verified: pending review Reviewed by: editorial team

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