ODU IR Chip Drive Failure (TS40)

Modified on Mon, 7 Apr at 10:42 AM

Issue Summary

This error indicates that the IR (Infrared) chip on the outdoor unit has detected a parameter error. When this happens, the system will display the failure code upon power-up and may not operate correctly until the issue is resolved.

What It Means

Code: TS40
Description: ODU (Outdoor Unit) IR chip drive failure
When it appears: During system power-on or shortly after

Recommended Tools & Parts

Replacement Part: Inverter Module PCB
Tools Needed: Basic screwdriver set, multimeter (optional)

Step-by-Step Troubleshooting

Step 1: Turn off the power to the unit completely.
Step 2: Wait at least 2 minutes, then restart the unit.
Step 3: If the error reappears, proceed with replacing the inverter module PCB.

Note: This replacement should be performed by a qualified HVAC technician, especially if your system is under warranty.

After Repair

Once the new inverter PCB is installed, restore power to the unit.
The system should start normally without displaying the TS40 error.

Need More Help?

If you’ve followed these steps and the issue persists, please submit a support ticket with your unit model number and a description of the issue. Our support team is here to assist you further.