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Installation and Operation Manual for Solar Power Inverter M70A EU V1.1 EN 2020-02-20
10 Maintenance
Replacing the DC surge protection devices
10.9 Replacing the DC surge protection devices
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!
Use an insulated magnetic screwdriver to loosen
the screws.
Make sure that no screws fall into the inverter.
1. Remove the protective cover from the DC surge protection
devices.
2. Pull out the power supply cable of internal fan 2.
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