KT info-code list · KT-LCD3 / KT-LCD4 Display

06 info Error on KT-LCD3 / KT-LCD4 Display

What it means + how to fix it From the manual

Quick answer

06 info on the KT-LCD3 / LCD4 means “Motor or controller has short circuit.” Most likely cause: damaged wiring in the motor cable, the motor or the controller. Try this first: switch off and remove the battery.

Confirmed in the KT-LCD3 manual. It isn't shown in the KT-LCD4 manual's table.

Try this first

Free, and each takes under 5 minutes.

Switch off and remove the battery
Look over the cables without touching

In plain English

The controller has detected a short circuit in the motor or in the controller itself. Don't keep switching it on to test it. Look over the wiring for obvious damage, then leave the repair to a shop.

Step-by-step checklist

Work from the top. Steps go from free and easy to shop jobs. Switch the bike off before touching any connector. Tick each step as you go. Your progress is saved on this device.

1Switch off and remove the batteryFree Turn the system off and take the battery out. Don't keep switching it on to see if the code comes back.
2Look over the cables without touchingFree Check the motor cable and connectors for crushed, cut, melted or burnt spots. Note anything you see for the shop.
3Have the motor testedShop job If the cable and connector look fine, a shop can test the motor's wiring and sensors. Opening a motor or working on its high-current wires is a shop job.

Parts you might need

As an Amazon Associate I earn from qualifying purchases. These links go straight to Amazon.

Only buy a part if the free steps didn't fix it. Always match the voltage and connector type to your bike.

Motor extension cable
Replaces a damaged section of motor cable. Must match your connector and pin count.
Link coming soon
Spiral cable wrap
Protects cables where they rub or bend near the handlebar and axle.
Link coming soon

Still not fixed?

Pages to try next:

When it's time for a shop: if you've worked through every step and the problem is still there, take the bike to an e-bike shop. Bring your notes on when it happens, plus the code.

Words on this page: Controller