Savch S3100E Series, User Manual

Page: 142 / 150

138
7 MAINTENANCE AND AMBIENT ELEMENTS
For safety and normal operation, the inverter shall be provided with daily as well as periodical maintenance.
Diagram below shows items that must be checked.
Check shall only performed 10 minutes after charging LEDs of the inverter go off, to prevent injury to operators
caused by residual power of inverter condenser.
Inspection
item
Inspection content
Inspection
period
Inspection method
Assessment
base
Corrective
measures to
fault
Daily Annual
Machine
ambient
environment
Verify ambient
temperature and
humidity
○
Measure with
temperature or
humidity meter in
accordance with
notes for installation
Temperature:-10
to 40
℃
;
humidity:below
95%RH
Improve
environments
Check stacking
with inflammable
materials
○ View inspection
No foreign
materials
Inverter
installing
and
grounding
Check abnormal
vibration to
machine
○
View and auditory
inspection No foreign
materials
Tighten
securing
screws
Check grounding
resistance
complies with
specification
○
Measure resistance
with three-functional
meter
200V Class:
below 100Ω
；
400V Class:
below 100Ω
Modify
grounding
Input power
supply
voltage
Check main circuit
voltage
○
Measure resistance
with three-functional
meter Voltage value
complies with
specifications
Modify input
power supply
External
terminal
securing
screws of
the inverter
Check security of
screwed parts
○
View inspection and
check screws are
secured tightly with
screwdriver
All OK
Tighten or
sent for
factory
maintenance
and overhaul
Check terminal
board is not
damaged
○
Check no clear
rust exists
○
Inverter
inner wiring
Check no
distortion appears
○ All OK
Check outer
shielding is not
broken
○ View inspection All OK
Replace or
sent for
factory
maintenance
and overhaul
Radiator
Check no dust or
chipping stacked
○ View inspection All OK
Remove
stacking such
as dust
Printing
circuit board
Check no inductive
metal or oil
stacked
○
View inspection All OK
Remove or
replace
electric board
Check elements
are exclusive of
color changing or
burning due to
overheat
○