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5.
6. Install the screws and covers of cooling bin or fan box back to their original place
7.
8. Repeat the operations in section 4.1
9. Restart the inverter.
Fan replacement
If the inverter overheats or abnormal noises occur during fan rotation, replace the fan. Please note that the fan should
be replaced by professional technicians only.
10 minutes
How to replace the fan:
1.
2.
3.
4. Disconnect all the electrical wirings at the bottom of the inverter;
5.
6. Place the inverter on the operation platform;
7.
8. Disassemble the damaged inverter fan as shown in figure 15C below, then install the new fan back to
PD201809 AEG GRID-TIED THREE-PHASE SOLAR INVERTER (4-10 kW) V.2-18 EN
Clean the inverter cooling bin and fan with a soft brush or vacuum cleaner.
Install the inverter to its original place according to section 3.
Stop the inverter before maintenance operation, and disconnect all the power
inputs of the inverter.
Before carrying out any maintenance operation, wait for at least 10 minutes
until the internal capacitors of the inverter are fully discharged.
The fan can be maintained and replaced by professional electricians only.
Disconnect the AC breaker;
Turn the DC switch to "OFF" position
Wait for at least 10 minutes.
Lift up the inverter with the help of others and take the inverter off the wall;
Disassemble the fan box as shown in Figure 15B above;
its original position, and connect the fan power and control cable;
Figure 15C: Replace the fan
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