Panasonic LJ-NA02 User Manual page 27

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
E010 Abnormal in grid (High grid voltage)
Abnormal in grid (Low grid voltage)
E020
→ 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)
Abnormal in grid (Decrease in
E080
instantaneous voltage)
P170 Under voltage
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.
P660, P700 Battery module is high temperature.
There is a problem with the storage battery
P350 system. Or internal DC protector is off. Or
the lines are disconnected.
P430, U020 Communications anomaly
H010-H490 There is a problem with the battery module.
There is a problem with the storage battery
H500-H990
system.
F010-F490 There is a problem with the battery module.
There is a problem with the storage battery
F500-F990
system.
The PXXX other There is a problem with the storage battery
than those above system.
The UXXX other There is a problem with the storage battery
than those above system.
H290 Battery lifespan
Description/where to check
The system operation will resume automatically as
soon as the commercial power supply is normal.
Please check the load which is connected to an
electrical outlet for backup. Its operation will resume
automatically after an abnormal eliminated.
After the battery is charged by a grid power, starts
the normal operation.
If the temperature of the built-in battery falls within
the operating temperature range, this product will
resume operation automatically.
Please contact the repair service.
Please contact the repair service.
Please contact the repair service.
After an abnormality is eliminated, this product will
resume operation automatically.
When operations do not resume, please contact the
repair service.
Please restart the operation.
Press the "ON/OFF (CANCEL)" for three seconds to
clear the error.
Please contact the repair service.
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