BENSHAW RSi H2 Series - Periodic Inspection Items

Maintenance
353
890053-00-02
12.2 Periodic Inspection Items
Inspection
Item
Inspection
Period
Inspection Method
Criterion
Customer
use
Monthly
1 year
2 year
Check/
Initial
/Date
Environment
Ambient
Temperature/
Humidity
Is the ambient
temperature and humidity
within the design range?
X
Measure/
Monitor
(Thermometer,
Hygrometer,
Recorder)
Temperature:
-10°C~+40°C
Humidity:
Under 90%
non-
condensing
Physical Inspection
Physical
Any signs of physical
damage to the enclosure
of the inverter?
X
Visual
Yes/No
Any signs of liquid leaking
into enclosure of the
inverter?
X
Are there any signs of
rust inside the inverter
enclosure?
X
Are there any signs of
rust inside the panel
where the inverter is
housed.?
X
Are there any abnormal
vibrations or oscillations
of the inverter/Panel?
X
Physical
(Cables and
Connections)
Are there any signs of
overheated connections
(discolored lugs,
insulation melted)?
X
Visual
Yes/No
Are there any signs of
rusted or corroded
connections?
X
Are there any signs of
cracked terminal blocks?
X
Is there any damage to
cable insulation?
X
Physical
(Fans)
Inspect fans and filters for
debris and dust
accumulation.
X
Inspect fans for free
rotation.
X
Non
-Powered
inverter
Checks/Measurements
IGBT Module
Check the resistance
between each of the
terminals.
X
Disconnect the
inverter three
phase input and
measure the
resistance between
R, S, T and P, N.
Refer to
"How to
Check Power
Components”
using Digital
or Analog
meter.
Input
Diode/SCR
Modules
Disconnect the
inverter three
phase output and
measure the
resistance between
U, V, W and P, N.
DC Bus
Capacitors
Is there any visible
leakage coming out?
X
Visual check
Yes/No