10 Maintenance
Clean/replace internal fan 2
Installation and Operation Manual for Solar Power Inverter M70A EU V1.1 EN 2020-02-20
116
10.6 Clean/replace internal fan 2
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 60
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 106
before you start work on the inverter!
Do not use any sharp, pointed or hard objects
for cleaning.
Do not use liquids for cleaning.
Position of internal fan 2
1. Remove the protective cover from the DC surge protection
devices.
2. Pull out the power supply cable plug located on the bottom
of the card with the DC surge protection devices.
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