APC SBP User Manual download pdf (Page 6)

Service Bypass Panel 1500/2200/3000 Rack-Mount Series User Manual6

Operation

Bypass mode

SBP bypass mode enables connected equipment to operate on utility power while UPS maintenance is

performed.

Note: Connected equipment is not protected by the UPS while the SBP is in bypass mode.

UPS mode

While the SBP operates in UPS mode, power is supplied to connected equipment from the UPS and is

protected from power variations and disturbances.

Troubleshooting

Use the table to solve minor installation and operation problems.

Refer to the APC Web site, www.apc.com for assistance with complex problems.

Problem and/or Possible Cause

Solution

The UPS is on, and the SBP output receptacles

do not provide power to connected equipment.

1. Some models have equipment outlet circuit breakers. Remove

nonessential equipment connected to the SBP. Reset the SBP

circuit breaker.

2. Verify the utility power supply. Plug a table lamp into the utility

power source. If the light is dim or does not turn on, have the

building utility voltage checked by a qualified electrician.

3. Verify the power supply from the UPS. Plug a table lamp into the

output receptacle on the UPS.

4. Verify that the SBP is functioning properly.

a. Disconnect the UPS from the SBP (input and output).

b. Plug the service bypass panel UPS output cord to the service

bypass panel input receptacle.

c. Plug a table lamp into the SBP equipment outlets to verify

functionality of each outlet.

d. To test the SBP rotate the Bypass/UPS switch to bypass mode

position. The lamp should remain illuminated. Rotate the

Bypass/UPS switch to UPS mode position. The lamp should

remain illuminated.

5. If power does not return, the SBP is defective. Contact APC. Refer

to “Service” on page 7 in this user manual.

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APC SBP User Manual Page 6