Maintenance
ESS Inverter User Manual
81
Before maintaining and commissioning inverter and its peripheral distribution
unit, switch off all the charged terminals of the inverter and wait at least 10
minutes after the inverter is powered off.
CAUTION
8.
Maintenance
8.1
Routine Maintenance
Items
Check Content
Maintain Content
Maintenance
Interval
Inverter output
status
Statistically maintain the status of electrical yield,
and remotely monitor its abnormal status.
N/A
Weekly
Inverter
cleaning
Check periodically that the heat sink is free from
dust and blockage.
Clean periodically
the heat sink.
Yearly
Inverter
running status
Check that the inverter is not damaged or deformed.
Check for normal sound emitted during inverter
operation.
Check and ensure that all inverter communications
is running well.
If there is any
abnormal
phenomenon,
replace the
relevant parts.
Monthly
Inverter
electrical
connections
Check that all AC, DC and communication cables
are securely connected;
Check that PGND cables are securely connected;
Check that all cables are intact and free from aging.
If there is any
abnormal
phenomenon,
replace the cable
or re-connect it.
Semiannually