These diagnostic error codes indicate a problem with the Upper Knob (E2411, E2412) or the Lower Knob (E2421, E2422) circuitry.
Due to the age of these products, replacement parts are no longer available. Repairs on these products are available from Tektronix Service on a best effort basis.
This FAQ Applies to:
Product: CSA803C, 11801C, CSA803A, 11801B
FAQ ID : 54226View all FAQs »