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Troubleshooting

Velotric Discover and Nomad: display on, but the motor doesn't respond

Velotric Discover 1, Discover 2, Nomad 1, Nomad 2 and Nomad 2X: the display lights up but throttle and pedal assist do nothing. Velotric's manuals list battery, brakes, throttle reset and loose plugs first, then motor, controller or PAS sensor.

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You switch on your Velotric Discover or Nomad, the display comes on, but the motor does nothing on throttle or pedal assist. The owner's manuals for the Discover 1, Nomad 1, Discover 2, Nomad 2 and Nomad 2X all list this exact problem in their troubleshooting tables (Discover 1 and Nomad 1 manual, Discover 2 manual, Nomad 2 manual, Nomad 2X manual). Short answer: in order, a low battery, a brake that is being read as applied, a throttle that hasn't reset, or a loose plug. Only after those does Velotric point to the motor, the controller or the PAS sensor.

Check plugs with the battery removed. Leave motor, controller and PAS sensor replacement to Velotric support or a shop.

Most likely cause

Velotric's manuals give the same list for a motor that doesn't respond: low battery, brakes applied, throttle not reset, loose wiring, a loose or damaged throttle, a loose or damaged motor plug wire, and a damaged motor, controller or PAS sensor (Nomad 2 manual). The first three are the most common because the controller deliberately refuses to drive the motor when it sees a brake signal or a throttle that is already open at power on. Velotric's troubleshooting guide adds overheating and a dirty or misaligned pedal sensor for assist that cuts out (Velotric troubleshooting guide).

Other causes to rule out

How to confirm

  1. Check the battery level, and charge fully if it's low (Nomad 2X manual).
  2. Power off. Squeeze and release both brake levers and check each springs fully back. Velotric says to get help if the motor keeps running while you brake (Velotric troubleshooting guide).
  3. Check that the throttle moves freely and snaps back. Power on without touching it.
  4. Try assist without the throttle, and the throttle without pedaling, to see which input is failing. If only pedal assist fails, see no pedal assist. If only the throttle fails, see throttle not working.
  5. Remove the battery, reseat it, and check that the contacts are clean and dry.
  6. With the battery out, follow the motor cable from the rear axle and the handlebar cables down the frame. Reseat any plug you can reach without tools, looking for bent pins or pinched insulation (Velotric troubleshooting guide). See inspect and clean connectors.
  7. Let the bike cool if it was ridden hard, then retry.

Fix options

Release brakes, reset throttle, charge (easy)

Free, and covers the first three items on Velotric's list.

Reseat a loose plug (easy)

The manuals list loose wiring and a loose motor plug wire as causes (Discover 2 manual). Gently seat each connector without forcing it.

Replace the throttle or a brake lever (moderate)

The manuals list a loose or damaged throttle as a cause and its replacement as the fix (Nomad 2 manual). Get the matching part through Velotric support, which links its parts store from its support page (Velotric support).

Motor, controller or PAS sensor (pro or Velotric support)

If everything above checks out, the manuals point to a damaged motor, controller or PAS sensor (Nomad 2X manual). A shop can test which part has failed. A motor cable damaged near the axle can mimic a failed motor, so the cable should be checked first (EM3ev hall guide).

Parts

  • Throttle
  • Brake lever
  • Pedal assist sensor
  • E-bike controller
  • Hub motor

Videos

Adjusting a Motor Shutoff Brake Sensor from Alter Ego Electric Bikes: An e-bike shop adjusts a brake lever motor shutoff sensor, one of the first things to rule out when the display is on but the motor stays quiet.

When to get a pro

Get help if you find melted or burnt plugs, if the motor runs while you brake, or if the checks don't restore power. See motor cuts out and Velotric troubleshooting.

Sources

Stuck after these checks? Find a shop near you.

Need a pro?

If these steps didn't fix it, find a shop near you in our partner network. For battery or wiring trouble, look for shops marked Battery and electrical.

Talk

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