18
DRM S0 Error DRM switch S0 fault
Check the connection of DRM device. If
the DRM device is connected normally
while this fault occurs, please contact
the service.
11. SYSTEM MAINTENANCE
For the inverter’s long-term performance, it is suggested to maintain
your inverter regularly:
Content
Maintenance Measures
Cycle
System
Cleaning
•
Check if the heat sink is covered and
dusted
•
Maintenance of DC Switch can be
performed at night. Turn the switch to
ON and OFF
positions for 4~5 times.
•
Use a wet cloth to clean the display
Annually OR Half a
year
System
Status
•
Inspect the enclosure for damage/
deformation
•
Listen for abnormal noises during
operation
•
Check if the parameters are normal
during operation
Half a year
Commissio-
ning
•
Check if the cables are loose
•
Check if the cable insulations are
damaged, especially the parts in contact
with metal surfaces
Half a year after first
commissioning
Annually OR Half a
year
Grounding
•
Check if the cables are securely
grounded
Half a year after first
commissioning
Annually OR Half a
year
NOTICE
：
HEAT SINK MIGHT INDUCE INJURY
When the inverter is operating, the heat sink might exceed 60ºC:
•
Please disconnect all electrical cables and connections. Wait for the
inverter to cool down completely.
•
Use compressed air cleaning or a soft brush to clean the inverter heat
sink.
•
ALL aggressive chemicals, cleaning solvents or strong detergents are
FORBIDDEN.
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28
V.
2
V.
2
