Code 25-61 Invalid Model Plug Lockout - Installed model plug is not valid.

What does 25-61 mean?

The system requires a specific model plug to identify its size and type, enabling the PCM software to apply correct operating limits. This code indicates that the installed model plug is invalid and does not match any recognized models, preventing the unit from operating.

• Incorrect model plug installed on the PCM.
• Model plug is faulty or damaged.
• Model plug does not match the system's specifications.

Click steps to track your progress.

1. 1

   Consult your unit's installation instructions to find the correct model plug for your specific model.

2. 2

   Carefully remove the currently installed model plug from the PCM.

3. 3

   Replace the model plug with the correct part as specified in the instructions.

4. 4

   Ensure the new model plug is securely installed on the PCM board.