Sensors Troubleshooting Guide

Below is a compilation of known sensor hardware issues and troubleshooting steps you may use to correct them.

MotionSense Wrist

If you are experiencing poor data quality:

• Reset the application, wait 15 seconds and check again.
• Restart the phone, wait one minute and check again.
• Make sure the wrist sensor is charged.

For admin access only:

• Make sure the wrist sensor is paired to the phone with the correct ID number.
• Make sure the Placement setting is designated for the correct wrist (left or right).

mCerebrum app crashing

If the app crashes perpetually:

• Clear all data from the DataKit app.
• Clear all data from the mCerebrum app.
• Delete the configuration folder located in the internal memory /mCerebrum
• Make sure you have installed the proper update for each app.
• Delete the mCerebrum app from the phone and re-install it.

AutoSense RIP

If you are experiencing poor data quality:

• Make sure all cable connections are secure.
• Make sure the RIP connector is inserted into the correct port of the chest sensor.
• Tighten the chest band so it fits snugly under the armpits.
• Reset the application, wait 15 seconds and check again.
• Restart the phone, wait one minute and check again.
• Make sure the chest sensor is charged and powered ON.

For admin access only:

• Make sure the chest sensor is paired to the phone with the correct ID number.

AutoSense ECG

If you are experiencing poor data quality:

• Make sure all cable connections are secure.

• Make sure the ECG connector is inserted into the correct port of the chest sensor.

• Adjust the position of the electrodes on the body.

⚬ The positive electrode should be under the sternum in the center of the chest.

⚬ The negative electrode should be on the left side of the ribcage at approximately the same height as the positive electrode.

• Reset the application, wait 15 seconds and check again.
• Restart the phone, wait one minute and check again.
• Make sure the chest sensor is charged and powered ON.
• Disconnect and reconnect each connector and electrode. You will hear a snap to indicate a good connection.
• Try cleaning the skin where the electrode is placed. There should be no lotion or residue on the skin.
• Moisten the adhesive surface of the electrode and try again.

For admin access only:

• Make sure the chest sensor is paired to the phone with the correct ID number.

AutoSense Wrist

If you are experiencing poor data quality:

• Reset the application, wait 15 seconds and check again.
• Restart the phone, wait one minute and check again.
• Make sure the wrist sensor power switch is ON.
• Make sure the wrist sensor is charged.

For admin access only:

• Make sure the wrist sensor is paired to the phone with the correct ID number.
• Make sure the Placement setting is designated for the correct wrist (left or right).

Microsoft Band

If you are experiencing bad data quality:

• Make sure the Placement setting is designated for the correct wrist (left or right).
• Make sure the clasp on the Band is securely locked around the wrist.
• Reset the application, wait 15 seconds and check again.
• Restart the phone, wait one minute and check again.
• Make sure the Band is charged and powered ON.

If you are experiencing pairing issues:

• Clear all data from the DataKit app and mCerebrum app and try again.
• Perform a factory reset on the Band and try again.

If you are experiencing short battery life:

• Make sure the battery is at 100% before disconnecting the charger
• Lower the Band’s brightness setting.
• Turn off the Band’s GPS feature.
• Turn off the Band’s Daily Heart Rate feature.
• Turn off the Band’s Watch Mode feature.

 

 

 

Copyright © 2020 MD2K. MD2K was established by the National Institutes of Health Big Data to Knowledge Initiative (Grant #1U54EB020404)
Team: Cornell Tech, GA Tech, Harvard, U. Memphis, Northwestern, Ohio State, UCLA, UCSD, UCSF, UMass, U. Michigan, U. Utah, WVU