10-26
Items
Details
Checking
period
Methods
Criteria
Remedies
Daily
1Year
Circuit boards and components
Printed circuit
board
Check for damage to
PCBs
◎
Visual check
Correct
component
condition
Clean or
replace the
circuit board
Check for discolored,
overheated, or
burned parts
◎
Capacitor
Check for unusual
odor or leakage
◎
Replace
capacitor or
inverter
Check for any
physical damage or
protrusion
◎
Power
component
Check for any dust or
debris
◎
Clean
components
Check resistance
between each
terminals
◎
Measure with a
multi-meter
No short circuit
or faulty
three-phase
output
Consult factory
Peripheral device
Rheostat
Whether rheostat
wiring or connector
are damaged
◎
Visual check
No abnormalities
Replacement
rheostat
Electromagnetic
Contactor
Check contacts and
connections for any
abnormality
◎
Replacement
Contactor
Unusual vibration
and noise
◎
Noise check
Reactor
Is there any
abnormalities
◎
Visual check
Replacement
Reactor
Cooling System
Cooling fan
Unusual vibration
and noise
◎
Visual or
hearing check
Correct cooling
Consult with the
supplier
Excessive dust or
debris
◎
Visual check
Clean the fan
Heat sink
Excessive dust or
debris
◎
Clean up debris
or dust
Ventilation Path
Is the ventilation
path blocked
◎
Clear the path