LSIS H100 - Maintenance

3. Maintenance
35
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.
Caution
 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.
Regular Inspection List 3.1
Daily Inspections 3.1.1
Part
Category
Check points
Method
Standard
Equipment
All
Ambient
environment
Is the ambient
temperature and
humidity appropriate
within the range?
Is there any dust or
substances nearby?
Refer to
Installation &
Wiring in the
User Manual
Temperature:
10~40℃.
Humidity:
Below 50%
Thermometer,
hygrometer,
recorder
Complete
Inverter
Is there any unusual
vibration or noise?
Visual
inspection
All clear
Power
voltage
Are the input/output
voltages in the
normal range?
Voltage ratings
between R/S/T
phases in the
inverter’s
terminal block
Refer to Input and
Output standards in
the User Manual
Digital multimeter
/ Analog tester
Input/Output
circuit
Smoothing
capacitor
Is there any internal
leakage?
Visual
inspection
All clear
Is the condenser
swollen (change in
shape)?
Cooling
system
Cooling fan
Is there any unusual
vibration or noise?
Check by
rotating the fan
manually when
the system is
turned off
Rotate smoothly
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