77
Item
Method
Interval
External
checking
Make correction immediately once the following
items are found:
Check if there is flammable materials on top of
and around the container; and if there are other
factors that may impair the system operation ;
Check if the container and the foundation are
firmly connected and if there is rust.
Every quarter
System
states
and cleaning
Check the container and internal devices for
deformation and damages;
Check the container and internal devices for
abnormal noise;
Check if the container internal and device
enclosure temperature is too high;
Check if the container internal humidity and
dust deposition are too heavy; Clean the
container;
Check if the air inlet and outlet are blocked.
Once a month
Inverter
cleaning
Check if the circuit board and the component
are clean;
Check the temperature and dust of the
heat-sink; Use vacuum cleaner to clean the
module if necessary;
Replace the air filter if necessary;
Notice! Check the air inlet and outlet; the
device may be damaged by overheating.
From every six months
to annually depending
on the dust deposits.
Warning labels
Check if the warning labels are clearly visible.
Replace them if necessary.
Once per year
Cable
connection
Check the cable connection after the container and
internal devices are voltage free. Make correction
once unconformity is found.
Check if all cable entries are sealed properly;
Check if there is water leakage inside the
container; check if container windows and
doors can close and open flexibly; check if the
sealing strip is sealed properly;
Check if the power cable connections are loose.
Retighten them with the torque specified in the
manual if necessary;
Check if the power cables and control cables,
especially the surface in contact with the metal
are damaged;
Check if the wrap belt of the connection
Once per year
