INVT Goodrive350 IP55 - Page 258

Goodrive350 IP55 High-ingress Protection Series VFD Troubleshooting
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Fault
code
Fault type
Possible cause
Corrective measures
PIDE
[22] PID feedback offline fault
PID feedback offline;
PID feedback source
disappears;
Check PID feedback signal
wires;
Check PID feedback source
bCE
[23] Braking unit fault
Brake circuit fault or brake
tube is damaged;
The resistance of external
brake resistor is too small
Check the brake unit,
replace with new brake
tubes;
Increase brake resistance
END
[24] Running time is up
The actual running time of
the VFD is larger than the
set running time
Ask help from the supplier,
adjust the set running time
OL3
[25] Electronic overload fault
The VFD releases
overload pre-alarm based
on the set value
Check the load and
overload pre-alarm
threshold
PCE
[26] Keypad communication
fault
The keypad wire is poorly
contacted or
disconnected;
The keypad wire is too
long and suffers strong
interference;
Circuit fault occurred to
the keypad or
communication part of the
main board
Check the keypad wires to
confirm whether fault exists;
Check the surroundings to
rule out interference source;
Replace the hardware and
ask for maintenance service
UPE
[27] Parameter upload error
The keypad wire is poorly
contacted or
disconnected;
The keypad wire is too
long and suffers strong
interference;
Circuit fault occurred to
the keypad or
communication part of the
main board
Check the surroundings to
rule out interference source;
Replace the hardware and
ask for maintenance
service;
Replace the hardware and
ask for maintenance service
DNE
[28] Parameter download
error
The keypad wire is poorly
contacted or
disconnected;
The keypad wire is too
long and suffers strong
interference;
Data storage error
occurred to the keypad
Check the surroundings to
rule out interference source;
Replace the hardware and
ask for maintenance
service;
Re-backup keypad data
ETH1
[32] To-ground short circuit
fault 1
VFD output is short
connected to the ground;
Check whether motor wiring
is proper;