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Alpha ESS Co., Ltd.
Page 40 of 45
Your Smart Energy
monitor the heating situation of the
system.
View whether the air inlet/outlet is
normal or not.
Check the humidity and dust
around the converter and ensure
the filters in air inlet are OK.
Attention! Check the ventilation in
the air inlet hole. If the module
cannot be effectively cooled down,
it may be damaged due to
overheating.
System
clean
Work clothes;
Protective
shoes;
6 months or
12 months
Clean circuit board and
components.
Check the temperature and dust of
the radiator. If necessary, use the
compressed air from the fan to
clean the module.
Change the air strainer.
The
connection
of power
circuit
Work clothes;
Protective
shoes;
6 months
Check whether the power cable is
losse and fasten it with the torque.
Check whether there are damages
on power cable and control cable,
especially the cable skin contacts
with the metal surface.
Check whether the insulated
ribbon is stripped from the electric
cable’s wiring terminal.
Connection
of terminal
and winding
displaceme
nt
Work clothes;
Protective
shoes;
6 months
Check whether the screw in
control terminal is loose. If yes,
use the screw driver to fasten.
Check whether the main-
circuit’s
terminal is loose or overheating on
bolt.
Visually check the connection of
converter and the winding
displacement.
Maintenanc
e and
alteration of
cooling fan
Work clothes;
Protective
shoes;
12 months
Check whether some cracks
appear
on the fan’s blade.
Listen whether there are some
abnormal vibration sounds during
the operation of fan.
