Unable to detect Fan (X = 7 – Vacuum, 8 – Cooling, 9 – Aerosol).
Try the following:
1. Make sure that the Fan is connected correctly to the Main PCA.
2. Turn the Printer OFF and disconnect the Fan from the Main PCA. Connect a New Fan to the Main PCA and power ON the Printer. If the New Fan functions correctly without any Error Codes then remove the Old Fan from the Printer and install the New one.
3. If the New Fan does not function correctly either, then replace the Main PCA.