AudioQuest Niagara 5000EU Owner's Manual - Page 15

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Trouble-Shooting Guide

At AudioQuest, we always appreciate hearing from you. However, if you have questions, problems, or

suspect that your Niagara 5000EU requires service, please start here.

There is no power to any of the AC outlets.

When the Niagara 5000EU's front-panel LED power indicator glows blue, the unit is operational. If the Power

On indicator is not lit, consider the following: Is the upper portion of the front-panel rocker switch fully flush

with the chassis? Is the input AC cord fully inserted into the Niagara 5000EU's AC inlet? Is the input AC cord

properly plugged into the wall AC service outlet? Is the wall's AC outlet functioning properly? Plug into the

outlet another component, product, or lamp to verify that power is present and that the electrical panel's circuit

breaker has not tripped.

If there are only one or two AC outlets that have no output power, a component may be malfunctioning. Verify

the AC output with a known simple device such as a lamp.

There is no power to any of the AC outlets and the red front-panel Extreme Voltage

indicator is lit.

This indicates that either there is more than 270VAC (+/-3V) present on the wall's AC service outlet, or the Niagara

5000EU's protection circuit is miscalibrated. The latter is quite rare. (This circuit is adjustable, but it's tested and

retested before it leaves the factory, and it's glued into place, so shipping will not affect it.) Use an AC voltage

meter to determine if your outlet has too much voltage to be safe for operation, or if there is a wiring fault that is

causing this to occur.

Once the power is brought into a safe range for operation (165VAC to 266 VAC), the Niagara 5000EU's protection

circuit will automatically switch to operational mode and the blue power indicator will light.

The main power rocker switch/circuit breaker tripped to the lower (off) position

while the system was playing.

You may have exceeded the maximum current capacity of the Niagara 5000EU. This should be rare, but it may be

possible. Typical power amplifiers draw about one-third of their maximum current consumption at 220-240VAC,

as listed in the product's specifications (typically found in their owner's manual). This is further complicated by the

fact that the power consumption to all AC source outlet groups (outlets 5 through 12), is an additional draw on the

maximum current capacity of 16 amps that will trip this switch/magnetic circuit breaker.

The Transient Power Correction Circuit may also contribute to the overall draw seen by the circuit breaker. Still,

it should be rare that the total capacity is exceeded, but, given that some televisions, projectors, and power

amplifiers can draw substantial current, it is certainly not impossible. If this is the case, an additional Niagara

5000EU, and a discrete 16 amp AC service on the same phase of the electrical panel, will be required for some or

all of the power amplifiers.

My power amplifiers sound muddy, compressed, or weak.

The Transient Power Correction Circuit may not be operating. Be sure that all power amplifiers, powered receivers,

powered loudspeakers, and or powered subwoofers are plugged into the High Current/Power Correction AC

outlets. If any of these are plugged into the Ultra-Linear Noise Dissipation System Power outlets, the connected

power amplifier(s) will be current compressed, as the impedance is too high for any power amplifier.

If the power amplifier(s) are plugged into the High Current/Power Correction AC outlets, make certain that the

rear-panel Power Correction switch is in the "Engaged" position. Although it is possible for the Power Correction