INVT Goodrive 300 Operation Manual page 229

inverters
Goodrive300
Checking part
Cooling fan
Cooling
system
Ventilating duct
Consult the local INVT Service representative for more details on the maintenance. Visit the
official website of INVT: http://www.invt.com.cn and select Inverter Services – Maintenance
and Field Services.
Maintenance and hardware diagnostics
Checking item
Ensure there are
crackles, damage
distortion and rust.
Ensure there is
weeping and distortion to
the capacitors.
Estimate whether there is
abnormal noise
vibration.
Estimate there is
losses screw.
Ensure there is
color-changing caused by
overheating.
Ensure whether there is
stuff or foreign objection
in the cooling fan, air
vent.
228
Checking
method
no
Visual
examination
Visual
examination or
no estimate the
usage time
according to the
maintenance
information
Hearing and
Visual
and
examination or
rotate with hand
no
Tighten up
Visual
examination or
no estimate the
usage time
according to the
maintenance
information
Visual
examination
Criterion
NA
NA
Stable rotation
NA
NA
NA