If you have any issues with your JetBlack EMS Smart Trainer we may have the quick fix right here. This is our troubleshooting article.
No power to the VOLT trainer:
- Ensure cable to power box is securely plugged in.
- Ensure connection between power box and trainer pigtail is secure.
- If still no LED status, please contact your supplier.
After firmware update the VOLT trainer no longer works:
- LED shows Solid RED.
- Reconnect to the JetBack App
- Navigate to Settings > Firmware Update > Search Device > Look for the VOLT™ or JBOOT. (JBOOT is a default setting) connect to either and update firmware.
Loss of connection while on third party training apps:
- Check LED Status, if showing as connected, please check app connection and proximity to the VOLT trainer.
- Check no other BLE devices are connected to the device.
- Check your VOLT is not connected to any other device.
- If your trainer is showing as not connected (flashing blue) follow reconnection procedure.
Power readings outside of 2.5%:
- Warm up the trainer for at least 10 minutes and then perform a Spin Down Calibration. For best results, repeat when the VOLT trainer is at its hottest.
VOLT trainer is vibrating whilst in use:
- Stop using the VOLT trainer. Please contact your supplier for assessment.
There is a strange sound coming from your VOLT trainer:
- Stop using the VOLT trainer. Please contact your supplier for assessment.
The cassette on the VOLT is noisy and sucking the chain when free wheeling:
- Remove the cassette.
- Remove the cassette body and apply grease.
- Re insert and use.
If still not resolved:
- Stop using the VOLT trainer. Please contact your supplier for assessment.
The VOLT trainer is non-responsive to connection. No LED:
- Stop using the VOLT trainer. Please contact your supplier for assessment.
Trouble connecting using ANT+:
- Make sure ANT+ is switched on and available on your device (not all devices have ANT+ within their services)
- Make sure you are connecting to the correct device. In the sensor search option the trainers ANT+ number will appear for your reference.
- Make sure the app supports ANT+ and your dongle.
- Reinsert dongle making sure the ANT+ logo appears as activated within your app.
- Device cases can sometime inhibit the dongle.
ANT+ supported devices can be found here.