SMA TCS 500-SC Maintenance manual - Manual (Page 22)

6 Maintenance when Medium Voltage, Low Voltage and Control Voltage Is Present SMA Solar Technology AG
22 TCS-CP-WH-en-10 Maintenance manual
Procedure:
1. Remove dirt.
2. To remove small-area surface damage:
• Sand the surface.
• Clean the surface using degreaser.
• Paint the surface.
3. To remove large-area surface damage:
• Sand the surface with orbital sander.
• Clean the surface using degreaser.
• Paint the entire surface.