APC AP9254, AP9258 manual Symptom Action

Symptom	Action
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.

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