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Appendix D: External Fan Maintenance and
Replacement
The Primary and Secondary Units have two fans each: one is internal a nd the other is accessible from the
outside of the unit. This appendix describes external fan replacement.
A fan replacement kit is available from SolarEdge.
Figure 40: Primary Unit (left) and Secondary Unit (right) external fans
Fan Maintenance
At least once a year, open the fan screen and clean the accumulated dust using a brush.
If you receive a Not Working Fan Status notification via the SetApp replace the fan as described in the
following section.
External Fan Replacement
1. Turn OFF the inverter ON/OFF switch, and wait until the green LED is blinking , indicating that the DC
voltage is safe (<50V), or wait five minutes before continuing to the next step.
2. Disconnect the AC to the inverter by turning OFF the circuit breakers on the distribution panel.
3. Use a standard screwdriver to unfasten the single screw of the fan cover and open the fan door.
4. Disconnect the fan connector and remove the fan.
Three Phase Inverter with synergy technology Guide MAN-01-00402-1.1
Appendix D: External Fan Maintenance and Replacement
Figure 41: Fan door open
Figure 42: Fan connector
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