[coldbug]

addendum:

'PS FAIL'
green led goes off
red goes on stays off
amber stays on

"The red LED (also known as the Fault indicator) lights up whenever the power supply shuts off because of insufficient air flow, or when a system over temprature shutdown occurs."

I've previously seen some temperature messages in the console, but ignored them because they never led to shutdown.

Weird. I tried to replicate it. It said PS FAIL, green goes off, red stays off, amber stays on. After key on/off green/red stay off but selftest continues.

EDIT: this case with red led off seems not in the owner's guide. I'll try to repace the PSU first.

---

MSC higher fan speed indicator is on.
I'll connect the diagnostics console to see if this gives additional info.

---

This time I got the Ambient over- temperature LED on MSC and FAN FAIL.

Probably something with the fan tray. Will investigate further.

---

Diagonostics console doesn't yield any more info so far.
I've changed my hypothesis from PSU to fan tray. PSUs in my experience blow out at once.
sgi specifies +35° ambient max, and I am way below it, but who knows, usually servers are operated in an ac environment.

Best - co