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9 Malfunction and Troubleshooting
9.1 Troubleshooting
Once malfunction or stop condition appears, the malfunction LED will lighten
up, LCD will display current malfunction or stop condition, current malfunction
will be recorded by the system for later inquire. Please refer to the form below
which covers the fault and troubleshooting.
Table9-1 Stop condition and trouble shooting
Condition
code
Phenomena
Cause value
Troubleshooting
State 101
Inverter shutdown
when
the
fault
appeared and will
automatically
restart
after
it
disappear.
Out put energy
from
array
changes.
Please check the input
voltage from array and make
sure
this
voltage
inside
inverter input voltage range.
Note:
In
cloudy
days,
morning,
or
down,
this
situation is not malfunction.
State109
Inverter shut down
until the water level
recover
or
protection recover
time is up, the
machine will restart
automatically.
Water level of
source is lower
than
low-level
water
level
sensor,
even
lower than inlet of
pump.
1. Please check the water
level, if the water level is ok,
please check if there are air
inside pump.
2. Please check the position
of water level sensor.
