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SUN2000-4.95KTL-JPL1
User Manual
Alarm
Alarm Name
ID
2064
Device Fault
Issue 05 (2023-02-17)
Alarm
Possible Causes
Severity
Major
An unrecoverable fault has
occurred on a circuit inside
the SUN2000.
Cause ID = 1–12
● Cause ID 1: The Boost
input is short-circuited.
● Cause ID 2: The Boost
input experiences
overcurrent.
● Cause ID 3: The control
circuit is faulty.
● Cause ID 4: The
SUN2000 circuit is
abnormal.
● Cause ID 5: The residual
current sensor is faulty.
● Cause ID 6: The
temperature detection
fails.
● Cause ID 7: EEPROM
read/write fails.
● Cause ID 8: The auxiliary
power supply is
abnormal.
● Cause ID 9: The grid-tied
relay is abnormal.
● Cause ID 10: The DC bus
experiences overvoltage.
● Cause ID 11: The DC bus
experiences
undervoltage.
● Cause ID 12: The DC bus
experiences voltage
imbalance.
Copyright © Huawei Technologies Co., Ltd.
8 Maintenance
Troubleshooting
Turn off the AC output
switch and DC input switch,
and then turn them on
after 5 minutes. If the
alarm persists, contact your
dealer or Huawei technical
support.
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