Rockwell Automation Publication 750-IN119A-EN-P - April 2022 85
Chapter 6
Service and Maintenance
Read the information in this chapter and Product Advisories on page 9 before
you begin tests, maintenance, or repairs on product components. This chapter
covers service and maintenance for the PowerFlex® 755TS products.
Recommended
Preventative Maintenance
To help achieve the highest level of uptime, Rockwell Automation recommends
that you follow the maintenance schedule that is provided for your operating
environment. For environments with a corrosive atmosphere, use PowerFlex
755TS products with enhanced protection only. A maintenance schedule is
provided for these environments:
• Table 14
Recommended Maintenance Schedule for Operating Conditions
Below 40°C (104 °F) on page 87
.
• Table 15
Recommended Maintenance Schedule for Operating Conditions
Above 40°C (104 °F) on page 88.
An annual preventive maintenance program includes the following primary
tasks:
• A visual inspection of all components accessible from the front of the
drive
• Resistance checks on the power components
• Power-supply voltage level checks
• General cleaning and maintenance
• Tightness checks on all power connections
For for additional information on how to perform inspections and tests of
PowerFlex 755TS drives, see the PowerFlex 755TS Products with TotalFORCE
Control Hardware Service Manual, publication 750-TG101
.
ATTENTION: Once the product is connected to a power supply, always verify
that system power is not present before performing any work on the product.
See safety-related practices that are contained in publication NFPA 70E,
Standard for Electrical Safety in the Work Place.
IMPORTANT Duty cycle and load profile can greatly affect the reliability of PowerFlex
755TS Products with TotalFORCE Control.
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