Liebert

Series UPS

Preventive

Maintenance

PSS can provide service on your Liebert UPS systems whether it is an older Liebert 600 series UPS or the newer 610 series. With the proper maintenance your Liebert UPS system will provide years of service and the reliability that your facility requires to protect your critical load. Call us to discuss the type of Liebert UPS system you have and what service we can provide at your facility. During a Preventive Maintenance Visit, our service technicians will perform the following items: • Visually inspect UPS physical condition. • Check and record battery charger for proper charge rate. • Take voltage readings on the input and output. • Visually inspect UPS electrical wiring for signs of overheating and insulation break down. • Inspect air filters for plugging and deterioration, replace if required. • Take current readings on the input and output. • Review event log. • Adjust for proper output voltage. • On parallel systems verify proper load sharing between UPS modules. • Check proper operation of leds and lamps. • Check internal power supplies • Inspect cabinet fans for proper operation. • Verify metering display is accurate. • Record event memories.