3. Maintenance
32
3
Maintenance
This chapter covers regular inspections for different time periods, how to replace the cooling fan,
and how to properly store and dispose Inverters. The surrounding environment highly affects the
conditions of the inverters. Meaning, improper management will wear down the components and
lead to malfunction. In order to prevent this from happening, please follow the recommended
maintenance guidelines in this section.
Read all safety instructions in this manual before inspecting the product.
Make sure the power is off before cleaning the product.
Clean the inverters with dry cloths. Using wet cloths, water, solvents, or detergents may lead
to electric shock or damage to the product.
3.1 Regular Inspection List
3.1.1 Daily Inspections
Is the ambient
temperature and
humidity appropriate
within the range?
Is there any dust or
substances nearby?
Refer to 1.3
Installation &
Wiring in the
User Manual
Temperature:
10~40℃.
Humidity:
Below 50%
Thermometer,
hygrometer,
recorder
Is there any unusual
vibration or noise?
Are the input/output
voltages in the
normal range?
Voltage ratings
between R/S/T
phases in the
inverter’s
terminal block
Refer to 11.1 Input
and Output
standards in the
User Manual
Digital multimeter
/ Analog tester
Is there any internal
leakage?
Is the condenser
swollen (change in
shape)?
Is there any unusual
vibration or noise?
Check by
rotating the fan
manually when
the system is
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