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10 Maintenance
Clean/replace internal fan 1
10.6 Clean/replace internal fan 1
DANGER
Electric shock
Potentially fatal voltages are present in the
inverter during operation. When the inverter
is disconnected from all power sources, this
voltage remains in the inverter for up to 135
seconds.
► Perform the instructions listed in "10.4
Making preparations for maintenance work
- disconnecting the inverter from the grid
(AC) and solar modules (DC)", page 104
before you start work on the inverter!
Do not use any sharp, pointed or hard objects
for cleaning.
Do not use liquids for cleaning.
Always remember to note the position of the
cables before starting disassembly.
When reassembling, route the cables in the
∫
same way.
Some of the mounting screws for the surge pro-
tection devices are very small and can easily be
dropped into the inverter. You should therefore
∫
use a magnetic screwdriver.
116
1. Remove the cover from the DC surge protection devices.
2. Unscrew and remove the air baffle.
Installation and Operation Manual M125HV EU V3 EN 2021-07-12
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