D Series
Segway D18 / D28 / D38 service and repair
Covers the D18W, D28J, D18E-U, D28E-U and D38E-U. With 10-inch pneumatic tires, tire and valve checks are part of routine service.

Specs that matter for service
- Tyres
- 10-inch pneumatic
- Tyre type
- Pneumatic
- Brakes
- Electronic brake + disc brake
- Range (approx.)
- 18–38 km
- Weight (approx.)
- 14.8–17.3 kg
- Models covered
- D18W, D28J, D18E-U, D28E-U, D38E-U
- Factory top speed
- 19–30 km/hIn Türkiye e-scooters may be ridden at no more than 25 km/h. About the speed limit
Values come from Segway Türkiye's product page; range and weight are approximate.
Error codes
This model's error-code table isn't verified yet. Just put the code from the display in your service request.
Service work for the Segway D18 / D28 / D38
The parts that stand out for this model's tyres and brakes. Each part page lists symptoms and a warranty note.
TyrePneumatic tyre: punctures, slow leaks and tread wear are the usual tyre jobs.
Valve stemOn an air tyre a leaking valve lets the pressure drop; the right pressure is in your user manual.
BatteryLost range, no charging or sudden shutdowns call for a capacity and BMS test.
Hub motor / AxleNoise, drag or play from the hub motor means the motor and axle get inspected.
BearingGrinding and play around the wheel or headset usually come from a bearing.
HeadlightA headlight is legally required; a dark or flickering lamp gets checked.
Brake lightA red rear light is legally required; if it stays dark under braking it gets checked.
Communication cableA dead dashboard or intermittent power means the cable and connectors get inspected.
Where is the serial number (SN)?
The warranty check compares two numbers: the label on the scooter and the SN shown in the Segway app. They should match.
On the scooter
The SN is printed on the barcode label on the scooter. Where the label sits depends on the model; the product diagram in your user manual shows it. Add a clear photo of the label to your service request.
In the Segway app
Connect the scooter to the Segway app and note the SN on the scooter's info screen, or take a screenshot.
You can check your SN and activation date with the Serial Number Verification tool on Segway Türkiye's service portal. If the numbers differ, say so in your service request and we'll look at the scooter's history with you.
Segway Türkiye's service portalAnything else about this model?
Your questions
Answers are AI-generated from the service information on this site and are for information only; they are not a warranty decision. The final assessment follows a technician’s inspection.
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AI answer · for information only, not a warranty decision.