YASKAWA Varispeed-616G3

MAINTENANCE
PERIODIC INSPECTION
The VS-616G3 requires very few
routine checks .

It will function longer
if it is kept clean, cool and dry, while
observing the precautions listed
on Page 8 under "LOCATION" .

Check for
tightness of electrical con-
nections, discoloration or other signs of overheating
or aging .

Use Ta
ble 5 as your inspection guide .

Before
servicing, turn off AC main circuit
power
and be sure that the CHARGE lamp is OFF .
Note :
Component
Table 5
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Periodical Inspection
Check
Operating conditions are as follows :
" Ambient
temperature : 30°C (86°F)/yearly average
" Load factor :
80% or below
" Operation rate : 12 hours or below
/ day
MAINTENANCE
Corrective Action
External terminals, unit
Loose screws
Tighten
mounting bolts, connec-
tors, etc
Loose connectors Tighten
Blow with dry compressed air of 39 .2 x
Cooling Fins Build-up of dust and
dirt 10' to 58 .8
x
10 , Pa (57 to 85 psi)
pressu re .
Blow
with dry compressed air of 39 .2 x
Printed
circuit board
Accumulation of conductive dust or
10' to 58 .8
x
l0' Pa (57 to 85 psi)
oil .
pressure .
If dust and oil
cannot be removed,
replace the
board .
For abnormal noise : and vibration .
Cooling fan Whether the
cummulative operation Replace the cooling fan .
time exc eeds
20,000 hours or n ot .
Blow with dry compressed air of 39 .2 x
Power elements Accumulation of dust and dirt 10'
to 58 .8
x
10' Pa (57 to 85 psi)
pressure .
Smoothing
capacitor Discoloration or odor Replace
the capacitor or inverter unit .
for more: efesotomasyon - Yaskawa drive