]> 2026-04-28T00:52:20+02:00 TB0238 Fault Finding 300Hz Spindles 0 en Draft Faults on the 300Hz spindle circuit have proved to be very difficult to trace. There symptoms are quite straight forward, but failing to find the real root cause has created huge costs in revisits and destroyed components. It is vital that all root causes are examined and eliminated, as there is often more than one root cause and very often they are intermittent. false en none Confluence 2025-12-15T11:19:33Z 2461024.9719097 TB0238 Fault Finding 300Hz Spindles 0 false false 0 0