Sony DMW-S05NL-C Installation Manual page 70

4-6 Troubleshooting
4-6-2 Troubleshooting
If the Digital Media Workstation is not operating
correctly, check the items in the following checklist
before sending the Digital Media Workstation in for
repairs. If you find a description of your problem, take
the indicated steps.
Symptom Check and What to do
Check that power is being supplied to the Digital Media Workstation.
Digital Media
Workstation cannot
t Check that the AC power cord is connected to a power source or UPS (uninterruptible power
be powered on.
source) that meets the power specifications.
t Always use the specified AC power cord. Check whether the sheath of the cord has been damaged,
and whether the plug has been bent.
t Check that the breaker for the power source is on.
t If you have connected the Digital Media Workstation to a UPS, check that the UPS is powered on
and that power is being supplied from the UPS.
For details, refer to the manual of the UPS.
Check whether the STANDBY/ON switch was pressed.
t Power the Digital Media Workstation on by pressing the STANDBY/ON switch on the front panel.
Check whether the STANDBY/ON switch was pressed immediately after connecting the AC power
cord.
t Hardware initialization diagnostics start when you connect the AC power cord. The diagnostics
require about 5 seconds to finish. The STANDBY/ON switch does not function during this time. Wait
about 5 seconds after connecting the AC power cord before pressing the STANDBY/ON switch.
Digital Media
Check whether the STANDBY/ON switch has been disabled.
Workstation cannot
t Reboot the Digital Media Workstation, start the BIOS setup utility, and set the power switch mask to
be powered off.
Unmasked.
Setup Utility menu: Security > Power Switch Mask > Unmasked
POST does not Check whether memory has been installed.
finish.
t At least two DIMM memory modules must be installed.
Check whether a large amount of memory has been installed.
t The memory check may take a relatively long time to finish when a large amount of memory is
installed.
Check whether the keyboard or mouse was used immediately after booting the Digital Media
Workstation.
t If you operate the keyboard or mouse immediately after booting the Digital Media Workstation,
POST may erroneously interpret that as a keyboard controller failure and stop. If this happens,
reboot the system, and do not touch the keyboard or mouse until the BIOS messages appear.
Check whether the memory and PCI/ISA devices installed in the Digital Media Workstation are of the
specified type.
t Operation of devices other than those specified by Sony cannot be guaranteed.
4-16
Chapter 4 Maintenance
If the problem persists, make a note of error messages
displayed on the screen and contact your Sony service
representative.
Digital Media Workstation Troubleshooting
(Continued)