Electrical Preventative Maintenance

Providing Turnkey Solar Solutions

Electrical Preventative Maintenance

Services frequency: once per year or when needed

• Perform DC string test if DC combiner output is below normal on inverter operator interface terminals
• Inspection of inverter for external damage
• Inspection of inverter display & record all input/output voltages
• Confirm all voltages and current values
• Infrared scan of all AC/DC connections to note possible hot spots and re-torque where necessary
• Shut down AC / DC breakers to inverter, power down inverter
• Verify torque specifications for all connections
• Verify system is operational
• Wait for inverter to discharge
• Install safety lock-outs
• Clean area around inverter & verify base is sealed
• Visually inspect for moisture intrusions
• Follow proper procedures for inverter power up
• Check coolant levels where needed

Necessary corrections are made to solve any issue.
Analytical reports are generated on a monthly, quarterly, and yearly basis for the customer.