INVT Goodrive100-PV Series Operation Manual page 57

Goodrive100-PV Series Solar Pump Inverter
Fault
Fault type
code
UV Bus undervoltage
OL1 Motor overload
OL2 Inverter overload
Phase loss on the
SPI
input side
Phase loss on
SPO
output side
Rectifier module
OH1
overheating
Inverter module
OH2
overheat
Possible cause
circuit or output phase
loss.

There is strong external
interference.

The overvoltage
protection is disabled.

The voltage of the grid is
too low.

Overvoltage stall
protection is disabled.

The grid voltage is too
low.

The rated current of the
motor is set incorrectly.

Motor stall or load jumps
violently.

Acceleration is too fast.

The rotating motor is
reset.

The grid voltage is too
low.

The load is too heavy.

The motor power is too
small.

Phase loss or violent
fluctuation occurred on
input R, S, T.

Phase loss output occurs
to U, V, W (or the three
phases of the load are
seriously asymmetrical)

Air duct jam or fan
damage occurs.

Ambient temperature is
too high.

The time of overload
running is too long.
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Fault diagnosis and solution
Solution

Check whether there is
strong interference.

Check the setting of related
function codes.
stall

Check the grid input power.

Check the setting of related
function codes.

Check the grid voltage.

Reset the rated current of
the motor.

Check the load and adjust
torque boost.

Increase the ACC time.

Avoid the restarting after
stop.

Check the grid voltage.

Select
larger power.

Select a proper motor.

Check the input power.

Check the installation
wiring.

Check the output wiring.

Check the motor and cable.

Dredge the vent duct or
replace the fan.

Lower the ambient
temperature.
an inverter with