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Troubleshooting and Maintenance
12.3 Maintenance
Regular maintenance is required for the inverter. Please check and maintain the following
items based on the instructions below to ensure the optimal performance of the inverter.
For inverters working in inferior conditions, more frequent maintenance is required. Please
keep maintenance records.
WARNING!
• Only qualified person can perform the maintenance for the inverter.
• Only spare parts and accessories authorized by SolaX can be used for maintenance.
12.3.1 Maintenance Routines
Table 12-2 Proposal of Maintenance
Item Check notes Maintenance interval
Fans • Check if the fan makes noise or is covered
by dust.
• Clean the fan with a soft and dry cloth or
brush, or replace the fan if necessary.
Every 12 months
Electrical
connection
• Ensure that all cables are firmly
connected.
• Check the integrity of the cables, ensuring
that there are no scratches on the parts
touching the metallic surface.
• Verify that the sealing caps on idle
terminals are not falling off.
Every 12 months
Grounding
reliability
• Check if the grounding cables are firmly
connected to the grounding terminals.
Use a ground resistance tester to test the
grounding resistance from the inverter
enclosure to the PE bar in the power
distribution box.
Every 12 months
Heat sink • Check if there are foreign objects in the
heat sink.
Every 12 months
General status
of inverter
• Check if there is any damage on the
inverter.
• Check if there is any abnormal sound
when the inverter is running.
Every 6 months
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