48
SOC of the battery is too low
Quick answer
Error code 48 signifies that the battery's state of charge (SOC) is too low, which prevents the motor from operating. The Battery Management System (BMS) is responsible for monitoring the SOC and is integrated within the battery pack.
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 48, and the motor does not function.
Likely causes, ranked
Start at #1 — causes are ordered by how often they turn out to be the problem.
#1 Low Battery State of Charge
How to check: Measure the battery voltage to confirm it is below the operational threshold.
Troubleshooting steps
-
Check Battery Voltage
Use a multimeter to measure the battery voltage.
If it passes →Replace the battery if voltage is low.If it fails →Confirm connections and check BMS. -
Replace Battery
If the battery voltage is confirmed low, replace the battery.
If it passes →Clear the error code and test the system.If it fails →Stop and see a professional.
When to stop and get professional help
If the battery is replaced and the error persists, consult 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 48 Troubleshooting Guide
- Error code 7 - Electricbike.com Ebike Forum
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