APC AP9254 - Manual (Page 41)

Symptom Action
37
OSD menu does not Verify that you are pressing the Control key twice
“pop-up” within one second. If the problem persists, contact
Technical Support.
Unable to change channels Verify that the channel is powered. Check the
using OSD
address configured in OSD. If the computer is
powered and the address is correct, contact Techni-
cal Support.
Administrator password is Call Technical Support.
forgotten
User password is forgotten Contact your system administrator.
General keyboard/video If the building has 3-phase AC power, ensure
problems that the computer, the APC KVM Switch and the
monitor are on the same phase. Best results are
obtained when they are on the same circuit.
Use only APC supplied cable. APC warranties do
not apply to damage resulting from user supplied
cable.
Do not use a 2-wire extension cord in any APC
product configuration.
Test AC outlets at computer, APC KVM Switch and
monitor for proper polarity and grounding.
Use only with sockets earthed at the computer,
switch and monitor. When using a backup power
supply (UPS), power the computer, switch and the
monitor from the power supply.
System lockup during If there is no keyboard, mouse or push-button
paired operation channel selection function, try to bring up the
OSD menu. If it activates, reselect your channel
and verify that the channel functions normally. If
the problem persists, contact Technical Support.
If the OSD menu does not activate, verify that the
serial cable and video cables are securely attached to
both boxes. If not, reattach and try the OSD menu
again. If the problem persists, contact Technical
Support.