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5
Features
PROTECTION
PRESENT FAULT
LINE
OK
7
5
Circuit Breaker: If the current drawn by
the equipment connected to the PDU
exceeds the Maximum Load Rating, the
circuit breaker will trip to prevent possible
damage. When the circuit breaker trips,
its plunger will pop up. Disconnect excess equipment and allow the breaker to cool at
least one minute before depressing the plunger to reset the breaker.
6
Ammeter: The total electrical current used by the PDU will be displayed on the digital
meter in amperes (select models only).
7
Diagnostic Indicator Lights: The three
LEDs on the front panel show current
power conditions (from left to right):
Protection Present (Green LED): Indicates the surge-suppression components are
intact and providing full protection against spikes and surges. This LED should be lit
anytime the PDU is plugged in and power is present. If the Protection Present LED
does not light, then some of the surge suppression components are not functioning
and the unit should be returned for repair as soon as possible. You may still use the
unit; however, connected equipment will be protected from spikes and surges at a
lesser level than normal.
Line Fault (Red LED)*: Indicates a wiring fault has been detected. If this LED
illuminates at any time while the unit is plugged in, the fault should be repaired by a
qualified electrician as soon as possible. This LED indicates that phases are reversed,
ground is missing or some other sort of wiring error exists in the circuit the PDU is
plugged into. The Line Fault detector circuitry will identify most common wiring faults,
but will not necessarily detect every possible type of fault.
Line “OK” (Green LED): Indicates that nominal AC power is present with no wiring
faults detected. When this LED is illuminated, AC power is safe for connected
equipment.
* If the Line Fault (Red LED) indicator illuminates, carefully check the AC
receptacle the PDU is plugged into. The receptacle must be tight and securely
grounded. A loose AC receptacle may cause the Line Fault LED to illuminate.
The Red LED indicates the presence of a wiring fault, but does not indicate the
exact nature of the fault. Only qualified electricians should make necessary
outlet repairs.
If the Line Fault indicator illuminates and power is not present at the outlets, the
PDU’s surge-suppression components have been compromised as a result of
surge damage. For service, call Tripp Lite Customer Support at 773.869.1234 to
remedy the problem or receive instructions about return, repair or exchange.
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