Obviously I have logged a call with M, but was wondering whether anyone has experienced similar and can advise time to fix, etc.

My 598 was dead as a do-do this morning - will not power up. Have checked both the mains lead and the integral fuse.

HH1 Photo 34. 598DP, 504, 518, 561(M), DSP5000, DSP33C, DSP33
2nd Room: 541, 555