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Netra t1400 can't power on

Here is my problems and hope some one on the list can help out.
I hook up hyper terminal via cisco cable to Alarm port.
I can see lom> prompt, but can not boot up the system.
I can run, show, reset, poweroff and poweron and then it show lom> again, but can't pass this.
Here is the infofrom the lom> command:
lom>show
model Netra t140x
hostname cl107
eventlog
PSU 3 InB failed
PSU 3 Input failed
PSU 2 Input failed
PSU 1 Input failed
PSU 1 InB failed
PSU 2 Input failed
PSU 3 Input failed
PSU 2 InB failed
PSU 3 InB failed
power on
first fatal error ( I open the box and see the FAN 1 is running fine.)
Fan 1 failed
lom>
lom>environment
Fault OFF
Alarm1 OFF
Alarm2 OFF
Alarm3 ON
Fans:
1 OK speed 50%
2 OK speed 60%
3 OK speed 58%
4 OK speed 58%
PSUs:
1 InB failed
2 InB failed
3 InB failed
This Netra has DC power with A and B. A power is on, B if off. I even plug in both A and B. Still can't pass LOM.
Thus I need your help.

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ginko
  • 19396 Answers

SOURCE: Samsug HT-SK5 fails with 'Protection' on display

Protect mode will kick in whenever a fault is detected.

You get the unit not powering up, and sometimes you hear a clicking noise, that is the protection switch that keeps shutting down the unit.

Causes that can start protect mode are:

Electrostatic harges on internal circuits.
Leave the unit unplugged for power for one hour or so, this will allow discharge.

Bad speaker wiring.
Check speaker wiring, try unplugging and plugging back, or start after removing one speaker at the time.

Internal fault.
Internal fault is the natural cause for protect mode. If all the above did not work, then the problem is a blown component or an internal fault. In this case the unit must be taken apart , tested and repaired by an experienced person.
If the unit is less than one year old, or if you want to get service, call Sony at the phone number listed on the product documentation.

Regards.

Posted on May 04, 2009

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