Troubleshooting - Huawei SUN2000-42KTL User Manual

SUN2000-(36KTL,42KTL)
User Manual
Item
Groundin
g
reliability

8.2 Troubleshooting

Alarm severities are defined as follows:



Issue Draft A (2016-05-30)
Check Method
 Check that the idle COM, USB, and AC
OUTPUT ports are locked by waterproof caps.
Check that ground cables are securely connected.
Major: The inverter enters the shutdown mode and disconnects from the power grid to
stop generating electricity after a fault occurs.
Minor: Some components are faulty but the inverter can still generate electricity.
Warning: The inverter output power decreases due to external factors.
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8 Maintenance
Maintenance
Interval
inspection once six
months to a year.
The first inspection is
half a year after the
initial commissioning.
From then on,
perform the
inspection once six
months to a year.
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