CDE360 Vector Control AC Drive Chapter 7 Fault Detection and Diagnostics
Display
Fault Name
Possible Causes
Solutions
Er/AL46
User-defined
fault 1
The user-defined fault 1 signal
is input via DI.
Reset the operation.
User-defined fault 1 signal is
input via virtual I/O.
Er/AL47
User-defined
fault 2
The user-defined fault 2 signal
is input via DI.
Reset the operation.
User-defined fault 2 signal is
input via virtual I/O.
AL48
Motor in
current stall
status
Motor is in current stall control.
Check whether the load current
is exceed the overcurrent stall
protective current.
AL49
Motor in
voltage stall
status
Motor is in voltage stall control.
Check whether the dc-link is
exceed the overvoltage stall
protective current.
AL50
Motor in
frequency
drop status
as dc-link
voltage drop
The dc-link is under voltage and
Motor is in frequency drop.
Check whether the dc-link is
lower than the under-voltage
drop frequency point.
Er51
System fault
Trial expired.
Contact with factory.
Er/AL52
Interlock
warning
during
multi-pump
operation
mode
The multi-pump control system
occur interlock.
Check the logic of multi-pump
control.
Er53
Soft startup
resistor
overload
The output circuit to ground is short.
Check the output circuit.
AL54
Sleep status
The drive is sleeping.
Check whether the drive should
in sleeping.