PDU Preventive Maintenance Service

PDU Preventive Maintenance Programs -- Critical Systems Services customizes your PM program to exactly meet your needs, from once a year to once a week, CSSI will work to ensure you get the most value from your critical power equipment and our service program.

On-Line Services Includes

•  Perform a temperature scan on all breakers, power connections, fuses and associated controls.

•  Repair and/or report all abnormal readings.

•  Perform a complete visual inspection of the equipment including subassemblies, wiring harnesses, contacts, cables, and major components.

•  Inspect the control cabinet for accumulations dust and/or debris. Clean as required.

•  Record all voltage and current meter readings on the meter panel.

•  Measure and record all current readings at the input and the output of unit.

•  Verify that all front panel meter readings are correct. Calibrate if required.

•  Verify that the indicator lamps are working.

•  Verify auto and manual restart selection.

Off-Line Services Include

•  With customer’s permission, open the input circuit breaker to the PDU. (Note: This will remove all power to the load).

•  Physically check all nuts, bolts, screws and connectors for tightness and heat discoloration.

•  Physically check control wires, ribbons, and connectors for correct and secure installation.

•  Measure and record all low-voltage power supply levels.

•  Verify that all branch circuit breakers are installed correctly and are secure.

•  Remove dust from circuit cards and other sensitive components.

•  After completion of the preventive maintenance routine, verify that all branch breakers are closed and ready for re-energizing.

•  Before closing the input circuit breaker of the PDU, verify that UPS is in bypassmode.

•  Review system performance with customer to address any questions.

Following the Preventive Maintenance Inspections, a written report will be provided detailing the results of the Inspection, and make specific recommendations toward future remedial action, or upgrades.

(Note: Not all items are applicable to all systems and manufacturers.)