Operating Manual SB3-5TL-21-BE-en-10 11
SMA Solar Technology AG 2 Safety
SiHiw_Vor Berühren erden
Damage to the seal of the enclosure lid during sub-zero conditions
If you open the upper and lower enclosure lid during sub-zero conditions, the seal of the enclosure
can be damaged. As a result, moisture can penetrate the inverter.
• Do not open the inverter at ambient temperatures lower than -5°C.
• If a layer of ice has formed on the seal of the lid in sub-zero conditions, remove it prior to
opening the inverter (e.g. by melting the ice with warm air). Observe the applicable safety
regulations.
Damage to the inverter due to electrostatic discharge
Touching electronic components can cause damage to or destroy the inverter through electrostatic
discharge.
• Ground yourself before touching any components.
Damage to the display or the type label due to the use of cleaning agents
• If the inverter is dirty, clean the enclosure, the cooling fins, the enclosure lid, the type label,
the display, and the LEDs using only water and a cloth.
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