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SUN600-(5KTL, 6KTL)-L0
User Manual
Alarm
Alarm Name
ID
2064
Device Fault
Issue 04 (2023-02-17)
Alarm
Possible Causes
Severity
Major
An unrecoverable fault has
occurred on a circuit inside
the inverter.
Cause ID = 1–12
● 1: The Boost input is
short-circuited.
● 2: The Boost input
experiences overcurrent.
● 3: The control circuit is
faulty.
● 4: The inverter circuit is
abnormal.
● 5: The residual current
sensor is faulty.
● 6: The temperature
detection fails.
● 7: EEPROM read/write
fails.
● 8: The auxiliary power
supply is abnormal.
● 9: The grid-tied relay is
abnormal.
● 10: The DC bus
experiences overvoltage.
● 11: The DC bus
experiences
undervoltage.
● 12: The DC bus
experiences voltage
imbalance.
Copyright © Huawei Technologies Co., Ltd.
8 System Maintenance
Troubleshooting
Turn off the AC output
switch and DC input switch,
and then turn them on
after 5 minutes. If the fault
persists, contact your
dealer.
86
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