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R
eplacing the DC surge arrester cartridge (-SX/SX2 models only)
Some inverter parts may be subject to voltages that could be hazardous for the operator. Before
performing any work on the inverter, refer to "Inverter total de-energization and safe access"
chapter on this manual to know all the necessary step to safely operate on the inverter.
A
B
Replacing the DC surge arrester cartridges may be necessary in the
following circumstances:
1. "Alarm" LED flashing, "Power" LED steady ON.
2. Presence of "W018" Error in Inverter Log section of web user interface.
3. The inspection window of DC surge arrester cartridge is RED.
The DC surge arrester cartridges are installed on the DC surge arrester
plate
inside the wiring box
21
Procedure for replacing one of the DC surge arrester cartridges:
1. Perform the "Inverter total de-energization and safe access" procedure
before operate on the inverter.
2. Open the front wiring box cover
3. Push the side snaps and pull out the cartridges.
4. Insert the new cartridge in the empty slot.
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8 - Maintenance
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