INVT Goodrive20-UL VFD Series Operation Manual page 115

Goodrive20-UL Series VFD
Fault
code
[21] EEPROM
EEP
operation fault
[22] PID feedback
PIDE
[23] Braking unit
bCE
[24] Running time
END
[25] Electronic
OL3
PCE communication
UPE [27] Parameter
Fault type
offline fault
fault
reached
overload
[26] Keypad
error
Possible cause
standard parameter is
huge.

Autotune overtime.

Error of controlling the
write and read of the
parameters.

Damage to EEPROM.

PID feedback offline.

PID feedback source
disappear.

Braking circuit fault or
damage to the
braking pipes.

The external braking
resistor is not
sufficient.

The actual running
time of the VFD is
above the internal
setting running time.

The VFD will report
overload pre-alarm
according to the set
value.

The keypad is not in
good connection or
offline;

The keypad cable is
too long and there is
strong interference;

Part of the
communication
circuits of the keypad
or main board have
fault.

The keypad is not in
-110-
Fault tracking
Solutions
the parameter.

Check if the upper
limit frequency is
above 2/3 of the rated
frequency.

Press STOP/RST to
reset.

Change the main
control panel.

Check the PID
feedback signal.

Check the PID
feedback source.

Check the braking unit
and, change new
braking pipe.

Increase the braking
resistor.

Ask for the supplier
and adjust the setting
running time.

Check the load and
the overload
pre-alarm point.

Check the keypad
cable and and ensure
it is normal;

Check the
environment and
eliminate the
interference source;

Change hardware and
ask for maintenance
service.

Check the