6 Maintenance
SMA Solar Technology AG
Maintenance Manual 53SCCPXT-E7-WA-en-37
3. Read off and log the values of each temperature indicator.
4. Analyze the results and take action if necessary:
Number of the in-
dicator
Value of the indi-
cator
Action
1 to 9 88 There is no need for action.
93 or higher Contact the Service (see Section9 "Contact", page68).
10 to 17 88 to 99 There is no need for action.
104 or higher Contact the Service (see Section9 "Contact", page68).
6.4.2.3 Cleaning the Ventilation Plate
DANGER
Danger to life due to electric shock or electric arc if live components are touched
• Switch off the inverter and wait at least 15minutes before opening it to allow the capacitors to discharge
completely.
• Disconnect the inverter (see Section4, page26).
Procedure:
1. Disassemble the panels (see Section7.1.1, page62).
2. Pull the ventilation plate out of the inverter cabinet. Grip
underneath the ventilation plate and press the middle part up
while pulling it out.
3. Clean the ventilation plate with a brush or vacuum.
4. Slide the ventilation plate into the inverter cabinet. The ventilation
grid in the ventilation plate must face the rear panel.
☑ The ventilation grid ends up flush with the inverter.
✖ The ventilation plate will not go all the way in?
• Grip the ventilation plate from underneath and press the middle part upwards while sliding it in.
5. Mount the panels (see Section7.1.1, page62).
6.4.2.4 Cleaning the Air Duct, Ventilation Grids and Air Intake
DANGER
Danger to life due to electric shock or electric arc if live components are touched
• Switch off the inverter and wait at least 15minutes before opening it to allow the capacitors to discharge
completely.
• Disconnect the inverter (see Section4, page26).