APC Model C3 and C3BLK user manual APC Technical Support, Probable Cause, Solution

Models: Model C3 and C3BLK

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WIRING OK indicator LED is not illuminated

Probable Cause:

There are three reasons why this LED would

 

not be illuminated:

 

1.

Reversed polarity exists at the wall outlet.

 

2.

Neutral wire is overloaded.

 

3.

Earth ground is missing at the wall outlet.

 

 

Solution:

Operating the unit under these conditions may

 

affect its surge protection performance. Contact

 

an electrician to inspect the building or your

 

home wiring to fix the problem.

 

 

Probable Cause:

Unit is on, but the LEDs are turned off.

 

 

Solution:

Push the Power button, push the Select button

 

twice (this turns the unit off and back on again).

 

The LEDs should illuminate.

 

 

 

APC Technical Support

If a problem cannot be resolved contact APC Technical Support.

Telephone: 1-888-88APCAV, or visit: www.apcav.com

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APC Model C3 and C3BLK user manual APC Technical Support, Probable Cause, Solution