Goodrive350A series high-performance multifunction VFD
Troubleshooting
-297-
Fault code
Fault type
Possible cause
Corrective measures
calibrated.
Device or ambient
temperature is too high.
Lower the device or ambient
temperature.
OtE2
[71] EC PT1000
detected OH
The PT1000 temperature
sensor is inaccurate or not
calibrated.
Device or ambient
temperature is too high.
Calibrate the sensor through
parameter settings.
Lower the device or ambient
temperature.
E-EIP
[72] EtherNet IP
communication
timeout
There is no data
transmission between the
communication card and
the host controller (or PLC).
Check whether the
communication card wiring is
loose or dropped.
E-PAO
[73]
No upgrade
bootloader
The upgrade bootloader is
missing.
Contact us.
E-AI1
[74] AI1
disconnection
Input voltage of AI1 is too
low;
AI1 wiring is disconnected.
Connect a 5V or 10mA power
source to check whether the
input is normal;
Check the wiring or replace
the cables.
E-AI2
[75] AI2
disconnection
Input voltage of AI2 is too
low;
AI2 wiring is
disconnected
.
Connect a 5V or 10mA power
source to check whether the
input is normal;
Check the wiring or replace
the cables.
E-AI3
[76] AI3
disconnection
Input voltage of AI3 is too
low;
AI4 wiring is disconnected.
Connect a 5V or 10mA power
source to check whether the
input is normal;
Check the wiring or replace
the cables.
7.5.2 Other states
Displayed
code
State type
Possible cause
Solution
PoFF
System power
failure
The system is powered off
or the bus voltage is too
low.
Check the grid conditions.