E6582062
14. Maintenance and inspection 14-2
9
14
14. 1. 2 Daily cleaning
To clean the inverter, use a soft cloth to slightly wipe off the dirt or stains on the inverter surface.
If the dirt or stains persist, slightly wipe it off with a cloth dampened with neutral detergent or ethanol.
Item to be inspected
daily
Inspection procedure
Criteria and action
Inspection item Cycle Check method
Indoor environment
Dust
As
required
Visual check
Eliminate any problems if any.
Gas
As
required
Smell check
Liquid drops
such as water
As
required
Visual check Check for any trace of liquid.
Room
temperature
As
required
Thermometer
Inverter ambient temperature:
60°C or less
(Operation panel: 50°C or
less)
Inverter unit and parts
Peripheral devices
Vibration and
noise
As
required
Tactile check on the
unit outer surface
• If any abnormalities are
found in the inverter unit,
check the cooling fans, etc.
• Check the peripheral
devices (transformers,
reactors, magnetic
contactors, thermal relays,
etc.) for abnormality. Stop
operation as required.
Operation data
(output side)
Output current
As
required
Moving-iron type AC
Ammeter
• To be within the rating
• No large difference is to be
found compared to the data
for normal operation.
Output voltage
*1
*1 The voltage value may vary depending on the measurement device used. Therefore, be sure to use the same voltmeter for inspection, and
record the indicated values.
As
required
Rectifier type AC
voltmeter
Ambient
temperature (at
startup, during
run, and at stop)
As
required
Thermometer
Important
• Do not use the following chemicals and solvents. Failure to do so results in damaged inverter
molded parts (unit, plastic covers, etc.) or peeled coating.
• Acetone
• Benzen
• Chloroform
• Ethylene chloride
• Ethyl acetate
• Glycerin
• Tetrachloroethane
• Trichloroethylene
• Xylene
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