e) Polarity reversal protection
If the polarity of the input is swapped when connecting, the inverter will not work and cannot
be switched on.
Always observe the correct polarity (plus/+ and minus/-) for connection.
• Red connection terminal = plus pole (+)
• Black connection terminal = minus pole (-)
9. MaINTENaNCE aNd CLEaNING
The product does not require any maintenance. You should never take it apart.
The product should only be repaired by a specialist or specialist workshop or it may be dam-
aged. Furthermore, the CE approval and the guarantee/warranty will expire.
The installed device fuse must only be exchanged by a specialist.
Before cleaning, switch off the product and disconnect it from the voltage/current supply.
Disconnect any connected consumer as well.
Only clean the product with a soft, clean, dry and lint-free cloth. Never use any cleaning
agents, since this might damage the surface of the casing and label.
Dust can be removed using a clean, soft brush and a vacuum cleaner.
36