Can rectifier tubes blow fuse in ss mode?

[TubeBlowGlow]

I have the fuse blow problem. I removed all the tubes and followed the fault searching to identify a bad tube. I ended up with all the tubes in the amp. I even played it. Then i powered down and tried the solid state rectifier mode. It was dead. The first time it blew it was in tube rectifier mode. So I have 2 questions. Can a bad rectifier tube blow the fuse when you power up in ss mode? Can it be that the fuse blew when powering down?

 

[domct203]

The rectifier tubes are always in the circuit, the SS/Tube switch simply switches the diodes in/out.

Yes, a bad rectifier tube can blow a fuse when in SS diode mode.

The fuse is more likely to blow on power up.

Dom

 

[beedoola]

I have a 2 channel Dual Rectifier and got a bad rectifier tube when I purchased some new JJs. Before I realized it was the fuse, upon powering the amp up with the Diodes selected, the fuse did not blow. But when I flipped the switch to use the Rect tubes the fuse blew.

I did not trying to run the amp with the Standy Off though, so I'm not sure if that has any bearing.