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7 Common troubleshooting and maintenance
7.1 Troubleshooting
The following table lists the typical state of fault and treatment scheme:
Table7-1 Exception handling operation table.
Phenomena
Solar Pumping
1. Power Pack was
Inverter's power
not connected with
led and its LCD
Solar Pumping
are not lit when
Inverter.
the external AC
2. Solar Pumping
input side switch
Inverter DC switch
of Power Pack is
is off.
on.
Solar water
1. The voltage of
pump fail to
AC power source is
achieve full load
too low;
operation when
2.The input voltage
Power Pack
of solar panel is too
AC input side
high,
circuit breaker is
grid
on.
cut-off.
"GRID" indicator
Grid is loss phase.
light is yellow.
Grid cannot input.
Solar power can
input, and grid
power cannot
input.
"GRID" indicator
Soft start is out of
light is red.
order,
power is pulled out,
and can't access to
power pack.
"GRID" indicator
Raditor
light is red, and
overheat/Temperat
flash
ure
Utility Grid Power
can't
power pack.
Cause value
1. Properly wire connection between Power Pack
and Solar Pumping Inverter
2. Disconnect the input side circuit breaker of
Power Pack till its power indicator turn off, and
turn on the DC switch of Solar Pump Inverter,
then reconnect the input side circuit breaker of
Power Pack.
1. Boost voltage through transformer.
2. Turn off the DC switch of the power pack.
resulting
in
power
being
Please check the connector between of grid and
power park.
The soft start module is out of order, please
Utility
grid
contact the supplier to solve it.
1.The ambient temperature is too high.
2.The raditor cooling problem of grid module,
sensor
fault,
please contact the supplier to solve it.
access
to
Troubleshooting
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