The error message will typically state "Unauthorized: User authentication failed" or "Access denied: Invalid user ID or password". QuickBooks Error 401 is caused when the user is trying to access the QuickBooks company file, but the login credentials are invalid or incorrect. In this case, it's recommended to contact a professional technician or the manufacturer for assistance. If none of these steps solve the problem, it's possible that there may be an issue with the keyboard's internal components. It's also possible that the power switch itself may be faulty and needs to be repaired or replaced.
Check the power switch: Make sure the power switch is turned on.Check the battery: If your keyboard has a battery, check to make sure it is fully charged and installed correctly.
If you have a multimeter, you can test the voltage of the power supply to ensure that it is delivering the correct voltage. Check the power supply to make sure it is functioning properly. Check the power supply: If you have been using a non-12V outlet, it's possible that the power supply may have been damaged.Check that the cord is not damaged or frayed. Check the power cord: Ensure that the power cord is plugged securely into both the keyboard and the power outlet.It's best to contact the manufacturer of your Crane 181 vending machine and Nayax reader to get specific support for your issue.į your Yamaha MOXF8 keyboard is not turning on after plugging it into a non-12V outlet, there are a few things you can try to troubleshoot the issue: Double-check the compatibility of your firmware with both devices. Firmware: Even if your firmware has been updated, there may still be compatibility issues between the Nayax reader and the Crane 181 vending machine.In this case, you may need to replace the reader or have it repaired. Faulty Reader: Your Nayax reader may be faulty or damaged.If the communication is interrupted, it may not flag all the MDB codes. Communication issues: Check the communication between the Nayax reader and the vending machine.Reader configuration: Check the configuration settings of your Nayax reader to ensure that it is set up correctly for the Crane 181 vending machine.Make sure that your Nayax reader is compatible with the Crane 181 vending machine. Compatibility: Not all vending machines and readers are compatible with each other.However, here are a few potential reasons why you may be experiencing this issue: Without more information, it's challenging to determine the exact reason why your crane 181 with a Nayax reader is only flagging 11 MDB codes.
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