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The list of error codes is shown below.
Check the error code in the display panel and address the issue by referencing the information below.
Error code
Description/where to check
E010
Abnormal in grid (High grid voltage)
The system operation will resume automatically as
soon as the commercial power supply is normal.
E020
Abnormal in grid (Low grid voltage)
→ Especially when power fails.
E030
Abnormal in grid (AC over frequency)
E040
Abnormal in grid (AC under frequency)
E060
Abnormal in grid (Islanding)
E070
Abnormal in grid (Instant over voltage)
E080
Abnormal in grid (Decrease in
instantaneous voltage)
P170
Under voltage
Please check the load which is connected to an
electrical outlet for backup. Its operation will resume
automatically after an abnormal eliminated.
P300
Overload
U030
Overload ("P300" 10 times in a row)
U060
Under voltage ("P170" 10 times in a row)
P620, P690
Battery module is over discharged.
After the battery is charged by a grid power, starts
the normal operation.
P660, P700
Battery module is high temperature.
If the temperature of the built-in battery falls within
the operating temperature range, this product will
resume operation automatically.
P350
There is a problem with the storage battery
system. Or internal DC protector is off. Or
the lines are disconnected.
Please contact the repair service.
P430, U020
Communications anomaly
Please contact the repair service.
H010-H490
There is a problem with the battery module.
Please contact the repair service.
H500-H990
There is a problem with the storage battery
system.
F010-F490
There is a problem with the battery module.
F500-F990
There is a problem with the storage battery
system.
The PXXX other
than those above
There is a problem with the storage battery
system.
After an abnormality is eliminated, this product will
resume operation automatically.
When operations do not resume, please contact the
repair service.
The UXXX other
than those above
There is a problem with the storage battery
system.
Please restart the operation.
Press the "ON/OFF (CANCEL)" for three seconds to
clear the error.
H290
Battery lifespan
Please contact the repair service.