Over voltage protection

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

Quick answer

Error Code 07 indicates that the eBike's system has activated its over-voltage protection due to detecting a voltage level that exceeds safe limits. This safety feature prevents potential damage to the motor and other components by disabling operation until the issue is resolved.

Stop riding Battery Often DIY-friendly Beginner (15–30 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 07, and the motor will not operate.

Likely causes, ranked

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

#1 Battery Voltage Too High

How to check: Inspect the battery voltage using a multimeter to ensure it is within the acceptable range.

#2 Faulty Battery Management System (BMS)

How to check: Check for any error indicators on the BMS or consult the battery manual for troubleshooting.

#3 Loose or Corroded Connections

How to check: Examine all battery connections for corrosion, looseness, or damage.

Troubleshooting steps

Check Battery Voltage

Tools: multimeter easy

Use a multimeter to measure the battery voltage and ensure it is within the specified range.

If it passes →Proceed to check connections.

If it fails →Replace or recharge the battery.
Inspect Connections

Tools: cleaning tools easy

Examine all connections for corrosion or damage and clean or repair as necessary.

If it passes →Restart the system to check for error code.

If it fails →Replace damaged connectors.
Consult a Professional

easy

If the error persists after checking voltage and connections, seek professional assistance.

If it passes →Error resolved.

If it fails →Further diagnostics may be needed.

When to stop and get professional help

If you notice any signs of battery damage, such as swelling or leaking, stop using the eBike immediately.

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 08 · Error with the hall sensor 09 · Fault with motor phase winding 10 · Overtemperature of motor

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Sources & verification

Last verified: pending review Reviewed by: editorial team

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