Installation guide

3-5
Troubleshooting
Monitor
Problem Possible Cause Solution
The monitor does not power
up (the status LED on the
monitor is not alight).
The monitor power button is not set
to ON.
Check that the power button on the front of
the monitor is ON.
Check that the vacation switch on the
right–hand side of the monitor is ON.
Turn the power button / vaction switch ON.
The monitor power cable is not
connected or is incorrectly
connected to the PDU.
Check the monitor power cable connection.
Connect or reconnect the power cable to the
PDU.
The PDU power cable is not
connected or is incorrectly
connected to the AC outlet.
Check the PDU power cable connection.
Connect or reconnect the power cable to the
AC outlet.
The PDU circuit breaker is not ON. Check the PDU circuit breaker and turn ON if
required.
The server is not powered up. Power up the server.
The AC outlet is faulty. Try another AC outlet.
The AC source is missing.
Call the site electrician to check the AC
source.
The AC power cable is faulty. Check the AC power cable for faults. Replace
the faulty cable.
The status LED on the
monitor is alight but there is
no display on the screen.
The monitor contrast and / or
brightness settings are too low.
Use the buttons on the front of the monitor to
adjust contrast and / or brightness settings.
no display on the screen.
The KVM switch power cable is not
conected or is incorrectly connected
to the PDU.
Check the KVM switch power cable
connection. Connect or reconnect the power
cable to the PDU.
The KVM switch power button is not
set to ON.
Check the power button on the rear of the
KVM switch. Set to ON (I).
The KVM is not set to the correct
port (Port A – PAP, Port B –
Microsoft Windows, Port C – Linux).
Press the Control key twice to access the
Command Menu.
Select the required channel with the   keys.
Press Enter to activate the selected channel
and exit the Command Mode.
If the KVM cannot be accessed or switched,
see KVM Switch on page 3-6.
Internal video cables are not
connected or are incorrectly
connected to their dedicated ports.
Check internal video cable connections:
– Monitor to KVM,
– KVM to PAP,
– IOR to KVM
Connect or reconnect video cables to their
dedicated ports.
An internal cable is faulty. Check internal cables for faults. Replace the
faulty cable.