Sourcetronic ST600 Series - Other State

Frequency Inverter ST600 Series High-Performance Multifunction VFD Troubleshooting
-260-
P-E1–P-
E10
[45]–[54] Programmable
card customized faults 1–
10
User program logic error in the
programmable card.
A fault occurred on the
customized position.
Check the user program logic.
Perform troubleshooting
based on actual customized
faults.
OtE1
[70] EC PT100 detected
OH
The PT100 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.
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 state
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.