Jntech JNP75KH - Page 75

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Table9-3 Malfunction and troubleshooting
Condition
code
Phenomena
Cause value
Troubleshooting
Fault00
Inverter shutdown
and will restart
automatically after
the fault disappears
Short circuit in
output wire
Please check if there is short
circuit in output wires
Fault05
Inverter shutdown
and will restart
automatically after
the fault disappears
Load higher than
rated output
power of inverter.
1. Please make sure the
system is proper designed.
The power of pump motor
should not be larger than
inverter output.
2. Make sure that the pump is
working in the well range of
head and flow.
3. Please refer to “8.3.5.3
Key Parameters of the
System Set” to raise the
figure of Imotor.
Fault06
Inverter shutdown
and will restart
automatically after
malfunction
disappears
DC input
voltage higher
than maximum
input voltage of
inverter
Please check maximum
output voltage of array and
make sure this voltage is
below inverter maximum
input voltage