Periodic Inspections - YASKAWA JEPMC-BU3301-E Instruction Manual

4 Inspections

4.2 Periodic Inspections

Perform the following inspections at least once a year.
Inspection Item
Ambient
tempera-
ture*
Ambi-
Ambient
ent
humidity
condi-
tions
Atmo-
sphere
Visual exterior
inspection
Loose screws
* If the product is installed in a panel, the temperature inside the panel is the
ambient temperature.
E-18
Inspection
Period
Measure the tem-
perature and humid-
ity with a hydrometer
At least 1 or 2
and thermometer
times every 6
and measure corro-
to 12 months
sive gas. They must
be within specifica-
tions.
There must be no
dirt, dust, oil, or
other foreign matter
on the product.
At least 1 time
a year
There must be no
looseness in terminal
screws or connector
lock screws.
Description Correction
Remove sources
of contamination
or improve the
installation envi-
ronment.
Clean the product
with air or a cloth.
Tighten the
screws.