Quick Note FYI.

Had a power supply go the other day on our 820 V4R5.
No Probs - its got 3, so 2 spare - 99.999 uptime eh.

Not quite.

A condition exists where if you lose one it causes some type of
voltage problem, and the machine all locks up in sympathy.

Appears to occur at IPL time ( for us Sunday Morning 5.00am)

Pressing power button didnt clear - needed power Plug out /in reset.

Apparently a PTF ( naturally we have it now....) apparently fixes this.

MF27130 for V4R5.

5x9's maybe a little generous these days..



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