Monthly and Yearly Inspection Chart
O
v
er
al
l
Terminal block
Month Year
Thermometer,
hygrometer
Item Inspected
Inspection
Cyelc
Inspection
Method
M
ai
n
c
ir
cu
it
Control
circuit
Display
Extreme
temperatures
& humidity
Abnormal
vibration
noise
Check for...
Ambient
environment
Major devices
Power supply
insulation
Mounting
Ground
Insulation
Components
Housing
Smoothing
capacitor
Relay(s)
Resistors
Cooling fan
Overall
Capacitor
LEDs
Voltage
tolerance
Adequate
resistance
No loose
screws
Overheating
Dirt, dust
Secure
connections
Leaking
swelling
Chattering
Cracks or
discoloring
Noise
Dust
No odor,
discoloring
corrosion
No leaks or
deformation
Legibility
Visual and aural
Digital volt meter,
measure between
inverter terminals
R, S, T
Digital volt meter,
GND to terminals
Torque wrench
Thermal trip events
Visual
Visual
Visual
Visual
Visual
Visual
Visual
Aural
Power down,
manually rotate
Criteria
Ambient temperature
between -10 to 40
¡
,
non-condensing
Stable environment for
electronic controls
200V class:
200 to 230V 50/60Hz
500V class Megohm
meter
M3: 0.5
¡
0.6Nm
M4: 0.98
¡
1.3Nm
M5: 1.5.
¡
2.0Nm
No abnormalities
No trip events
Vacuum dust and dirt
No abnormalities
No abnormalities
Undistorted appearance
Single click when
switching On or Off
Use Ohm meter to check
braking resistors
Rotation must be smooth
Vacuum to clean
All LED segments work
¡
¡
¡
¡
¡
¡
¡
¡
¡
¡
¡
¡
¡
¡
¡
¡
Note1:
The life of a capacitor is affected by the ambient temperature,
Note2:
The inverter must be cleaned periodically. If dust accumulates on the fan
and heat sink, it can cause overheating of the inverter.
12-3
ENDA E-100
INSTRUCTION MANUAL