INVT Goodrive350-19 Series Operation Manual page 390

Goodrive350-19 series VFD for crane
Fault
Fault type
code
EEPROM
EEP
operation fault
PID feedback
PIDE
offline fault
Braking unit/
bCE
resistor fault
Running time
END
reached
Electronic
OL3
overload fault
Keypad
PCE communication
Parameter upload
UPE
error
Parameter
DNE
download error
Possible cause
the standard parameters.
Autotuning timeout.
Control parameter
reading/writing error.
EEPROM damaged.
PID feedback offline.
PID feedback source
disappears.
Braking circuit fault or braking
pipe damage.
Small resistance of the external
braking resistor.
Braking resistor short circuited
or PB-to-PE short circuited.
Actual VFD running time longer
than internally set running time.
The VFD reports overload
pre-alarm according to the
setting.
Keypad cable connected
improperly or disconnected.
Keypad cable too long, causing
strong interference.
fault
Keypad or mainboard
communication circuit error.
Keypad cable connected
improperly or disconnected.
Keypad cable too long, causing
strong interference.
Keypad or mainboard
communication circuit error.
Keypad cable connected
improperly or disconnected.
Keypad cable too long, causing
strong interference.
Keypad data storage error
frequency is larger than 2/3 of the
rated frequency.
Press STOP/RST to reset.
Replace the main control board.
Check PID feedback signal wires.
Check PID feedback source.
Check the braking unit, and
replace with a new braking pipe.
Increase the braking resistance.
Check the braking resistor wiring.
Ask the supplier to adjust the
preset running time.
Check the load and overload
pre-alarm threshold
Check the keypad cable to
determine whether a fault occurs.
Check for and remove the
external interference source.
Replace the hardware and seek
maintenance services.
Check for and remove the
external interference source.
Replace the hardware and seek
maintenance services.
Replace the hardware and seek
maintenance services.
Check for and remove the
external interference source.
Replace the hardware and seek
maintenance services.
Re-back up the data on the
keypad.
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Troubleshooting
Solution