User Manual
EM303B General Purpose Inverter
47
4.2.7
Fault Monitoring
When fault occurs, inverter will enter fault monitoring status (The shared fault code can be
viewed by FE-20~ FE-22.) See Table 4-3 for LED displays.
Table 4-3 Fault Status Monitoring Data
Fault Code
Display
Fault
E0-00
00
No fault
SC
Drive failure/Output Short circuit/EMC fault
HOC
Instantaneous overcurrent
SOC
Stable overcurrent
HOU
Instantaneous overvoltage
SOU
Stable overvoltage
SlU
Stable undervoltage/SOFT Soft-start failure
IlP
Input phase loss
Ol
OL inverter overload/OL1 motor overload
(All displayed as OL)
OH
Overheat
OlP
Output phase loss
EXT
External fault
EST
PID feedback loss/SPI communication fault/SCIfault
INP
Internal fault
EEd
Inverter EEPROM failure
EEU
Keypad EEPROM failure
StP
Autotuning cancelled
SFE
Autotuning coast-to-stop
E0-00
SrE
Stator resistance error
SIE
Idling current error
E0-01
XXX
Output Frequency at Fault
E0-02
Output Current at Fault
E0-03
DC Bus Voltage at Fault
E0-04
Running Direction at Fault
E0-05
Running Status at Fault
E0-06
Stall Status at Fault
E0-07
Working Time at Fault
E0-08
~
E0-15
The same
Function as
E0-01~E0-07
The 1
st
Most Recent Fault
E0-09
~
E0-23
The 2
nd
Most Recent Fault
E0-24
~
E0-31
The 3
rd
Most Recent Fault
Select a code from E0-00~E0-31 to view its parameter on sub-menu of fault monitoring. For
instance, see Figure 4-8 for viewing procedures.
Referring to Figure 4-8, press
or
in fault monitoring status to view each fault status,
and switch to E0 group fault code to view the last 3 faults status by pressing
RES
ESC
.
After fault is cleared, pressing
STOP
RESET
will enable inverter to return initial power-on status from
fault status.