Sanken Samco SVC06, Instruction Manual, Page: 112 / 136

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10-2 Inspection Items
Inspection item Inspection details Method & Instrument Criteria
Ma
in
Cir
cu
it
Terminal board

No burning or breakage

Visual inspection

No abnormal
Main electrolytic
capacitor

No liquid leakage

No loosening of safety valve

Visual inspection

No leakage,
deformation or crack

No action of the safety
valve
Relay
electromagnetic
contactor

No chatter during operation

No rough surface on the contact

No abnormal noise when the
switch is ON

Visual and hearing
inspection

No abnormal
Resistor

No disconnection

No odor or crack because of
overheating

Odor and visual inspection

Remove one-end and
check with tester

Use tester or multimeter

No abnormal

Within ±10% of
indicated resistance
value
Transformer

No abnormal beat sound or odor

Odor, visual and hearing
inspection

No abnormal
Co
n
tr
o
l
cir
cu
it
d
is
p
la
y
Connector

No loosening of connectors

No crack, breakage or
deformation

Visual inspection

No abnormal
Capacitor

No leakage, breakage or
deformation

Visual inspection

No abnormal
Board

No discoloration or dirt

Visual inspection

No abnormal
Display

No break in the LED lamp on
operation panel

No abnormality in key operation

Favorable display of characters
on LCD panel

Visual inspection

Make sure the lamp
lights up.

Make sure operations.
Co
o
li
n
g
sy
ste
m
Fan

No abnormal vibration or noise

No OH alarm

No loosening of bolts, wiring or
connectors

Visual and hearing
inspection

Tighten bolts, wiring and
connectors.

No abnormal
Ventilation flue

No blockage in cooling fan inlet
and outlet or contamination
adhesion of foreign objects.

Visual inspection

Tactile inspection

No abnormal
Fin

No abnormal heating

Tactile inspection or check
the temperature

Use thermometer

No abnormal
Mo
to
r
General

No abnormal vibration or noise

Visual and hearing
inspection

No abnormal
Insulation
resistance

Megger check

Disconnect the inverter
output wiring U, V and W,
then make an inspection

Use megger tester

Higher than 5MΩ