Goodrive270 series VFD for fan and pump Troubleshooting
-268-
Grid voltage too low.
Load is too large.
Power is too small.
Select a VFD with larger power.
Select a proper motor.
[13] Phase loss on
input side
Phase loss or violent
fluctuation occurred on
input R, S, T.
Check the input power.
Check the installation wiring.
[14] Phase loss on
output side
Phase loss occurred to U,
V, W output (or the three
phases of motor is
asymmetrical).
Check the output wiring.
Check the motor and cables.
[15] Rectifier module
overheating
Air duct blocked or fan
damaged.
Ambient temperature too
high.
Long-time overload
running.
Ventilate the air duct or replace
the fan.
Lower the ambient temperature.
[16] Inverter module
overheating
Fault
SI external faulty input
terminal action.
Check external device input.
[18] RS485
communication fault
Baud rate set improperly.
Communication line fault.
Incorrect communication
address.
Communication suffers
from strong interference.
Set a proper baud rate.
Check the wiring of
communication interfaces.
Set the communication address
correctly.
Change or replace the wire or
improve the anti-interference
capability.
[19] Current detection
fault
Poor contact of the
connector of control
board.
Hall component
damaged.
Amplification circuit
exception.
Check the connector and re-plug.
Replace the hall component.
Replace the main control board.
[20] Motor autotuning
fault
Motor capacity does not
match with the VFD
capacity. This fault may
occur if the capacity
Change the VFD model, or adopt
V/F mode for control.
Set the proper motor type and
nameplate parameters.
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