Troubleshooting – T3S plus Treadmill E99 Error

The E99 error code indicates: “Lower control information lost warning.”
This usually means there may be an abnormal connection with the internal cables of the treadmill, resulting in communication failure between components. A thorough inspection of the wiring is required to resolve the issue.

Safety Reminder:
Before disassembling any treadmill parts to inspect internal wiring, please ensure the treadmill is completely powered off and wait at least 5 minutes to ensure complete power discharge.

Tools You May Need

• Pliers
• Alcohol
• Screwdriver

Possible Operations

• Removing the motor cover
• Removing hot-melt glue from terminal clips

Motor cover removal video:
How to Remove the Motor Cover – Video Guide

Tip for removing hot-melt glue on the cable terminal :
Apply a small amount of alcohol to the hot-melt glue, then carefully remove it with pliers.

Step 1: Check the Connection Between Console ASM and the Upright Post

Please inspect the internal cables carefully:

• Check whether the internal cables are damaged, pinched, or not properly connected.

• Inspect the cable terminal pins to see if any are bent, deformed, or pushed in.

• Make sure all connectors are firmly and fully plugged in.

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 If any cable damage is found, please contact customer service to obtain a replacement cable.

Step 2: Inspect the Motor Controller Wiring

If no issue is found in Step 1, please continue as follows:

1. Remove the motor cover of the treadmill.

2. Check the wiring connected to the internal controller:

   • Verify whether any terminals are loose, tilted, or partially disconnected.

   • Ensure all connectors are seated securely on the controller.

 If any abnormal condition is found, please stop further operation and contact customer support for assistance.

Step 3: Check the Controller Inside the Console ASM

If Step 2 shows no abnormalities, please inspect the console unit:

• Remove the screws at the bottom of the Console ASM.

• Check whether any terminals connected to the console controller are loose or disconnected.

• Unplug and reconnect the terminals, then restart the treadmill to test whether the issue is resolved.

  

Step 4 – Still Not Resolved

If the error continues despite following the above steps, please submit a service ticket to get support from our customer service team. You can submit your request here: Submit a service ticket

Please provide:

• Order number

• Product SN number

• Relevant photos or videos

This information will help us assess the issue quickly and provide the correct solution, including parts replacement if necessary.

Notes / Tips

• Always ensure the safety key is fully seated before powering on the treadmill.

• Check the key and slot for any dirt or obstruction that might prevent proper contact.