APC AP9608, AP9208 manual Status Indicator, Status LED Indication

2.6 Status Indicator

The status indicator shows the following conditions.

STATUS LED	INDICATION
Off	Call-UPS II is off.
On Continuously	Call-UPS II is on with no user logged in.
Single short flashes	User is logged in or logging in.
Double short flashes	Lockout is in progress.
Rapid flashes	Call-UPS II failed its power on self-test.

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