Fronius Primo GEN24 3.0 Plus Operating Instructions Manual page 132

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To start up the inverter again, follow the steps listed above in reverse order.
132
Switch off power to the inverter and wait
for the specified time until the capacitors
have discharged and the fan has shut
down.
Turn the DC disconnector to the "Off"
switch position.
Loosen the screws on the underside of the
housing cover by rotating them 180° to the
left using a screwdriver (TX20). Then lift
the housing cover away from the inverter
at the bottom and detach upwards.
Remove any build-up of dirt on the heat
sink and fan using compressed air, a cloth
or a brush.
NOTE!
Risk due to damage to the fan bearing
from improper cleaning.
Excessive speed and pressure on the fan
bearing can cause damage.
▶
Block the fan and clean it with com-
pressed air.
▶
When using a cloth or brush, clean
the fan without applying pressure to
the fan.