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9. System Maintenance
9.1 Routine Maintenance
9.1.1 Cleaning Inverter
1>Check the ambient temperature and dust of the inverter, clean the inverter when
necessary.
2>Observe whether the air outlets is normal, when necessary, clean the air outlets or
clean the fan step by step, steps refer to 9.1.2.
9.1.2 Fan Maintenance
When the Growatt MAX series inverter work in high temperature environment, good
ventilation and heat dissipation can effectively reduce the chance of load derating.
Inverter equipped with internal cooling fans, when the internal temperature is too
high, the fans work in to reduce the internal temperature. When the inverter is
derating because of the internal temperature is too high, the following are the
possible reasons or solutions.
1) Fan is blocked or the heat sink gathers too much dust, it needs to clean the fan, fan
cover or heat sink.
2) Fan is damaged, it need to replace the fan.
3) Poor ventilation of the installation location, it needs to select the appropriate
installation location according to the basic in stallation requirements .
Fan cleaning and replacement procedure;
•Before any operation, please disconnect the DC switch and
AC switch, and wait for at least 5 minutes until internal
capacitance discharge completely.
•It must be carried out by qualified, trained personnel and
comply with all prevailing local code and regulations.
•Please disconnect the DC switch and AC switch before any
operation, and wait for at least 5 minutes until the internal
bus capacitance discharge completely.
•Do not use the air pump cleaning fan, which may cause fan
damage.
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编号：GR-UM-C -00
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