C284 FREEZE

[selex]

I have this problem:
when enter in sleep mode, sometimes the machine don't wake up in normal mode ! I must disconnect it..
I try to upgrade fw and test ram-hdd
Any ideas?
Please help me!!
Sorry for my english

[GTgosu]

I had a similar problem with a c253, try to check the problem for the network.
Network Cable
Slot Network
Router / Switch

[selex]

i've checked but everything works perfectly

[rrrohan]

i know previous models have had same problem and firmware update has fixed it.

i wouldnt rule out Power Supply fault.

[EarthKmTech]

what version firmware have you installed.

This issue was resolved recently, and it IS firmware.

[selex]

here the version

[JustManuals]

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[bizhub1]

Just had a 552 do the exact same thing, turned out bad ram on map board.

[kmcopytech]

Upgrade special firmware GC1-68 or GD1-68,

It's correction sleep mode .