80
Restart the inverter only after removing the fault that impairs safety
performance.
As the inverter contains no component parts that can be maintained, never
arbitrarily replace any internal components.
For any maintenance need, please contact SUNGROW. Otherwise, SUNGROW
shall not be held liable for any damage caused.
Servicing of the device in accordance with the manual should never be
undertaken in the absence of proper tools, test equipments or the latest
revision of the manual which has been clearly and thoroughly understood.
9.2.2 Routine Maintenance
IItteemm MMeetthhoodd PPeerriioodd
System clean
Check the temperature and dust of
the inverter. Clean the inverter
enclosure if necessary.
Six months to a year
(depending on the dust
contents in air)
9.2.3 Fan Maintenance
If the inverter has an external fan, when the fan fails to work normally, the inverter
cannot be effectively cooled, which will affect the efficiency of the inverter or cause
derated operation. Therefore, keep the fan clean and replace the damaged fan in time.
Step 1 Refer to "8.1 Disconnecting the Inverter" to stop the inverter.
Step 2 Refer to "5 Electrical Connection" and disconnect all the cable connections in reverse
steps.
Step 3 Refer to "4 Mechanical Mounting" and dismantle the inverter in reverse steps.
Step 4 Unscrew the screws on the fan bracket.
9 Troubleshooting and Maintenance User Manual
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