Chapter 5 Methods of Anomaly Diagnosis |V FD-VJ-
5-8
No. Display Code
Fault
Description
Troubleshooting
Fault codes
defined by
Delta
(2021H
Low Byte)
CANopen
Fault
Register
(1001H
bit 0~7)
DS402
Fault
Codes
(603FH)
E44
Stalled PG
feedback (the
actual rotating
speed is 115%
faster than the
maximum speed
and the elapsed
time longer than
one second)
(PGF3)
1.Check the PG feedback wiring.
2.Check if PI gain and the settings for
acceleration/ deceleration are suitable.
3.Check if there’s an output phase loss.
4.The causes of these errors could be
loose contact/ disconnection between
encoder, hybrid servo motor drive and
motor. (OC might also occur in different
conditions.).
5.Check if the connection between oil
pump and motor is stuck.
6.Send back to manufacturer for repair.
002CH
7
7301H
E45
PG slip error
(PGF4)
002DH
7
7301H
E49
When external
terminals EF are
closed, Hybrid
servo drive stops
its output (EF)
Troubleshoot and press ”RESET”
0031H
5
9000H
E50
When external
EMG terminal is
not connected to
the heating
switch of hybrid
servo motor or
the motor is
overheated (130
ºC), hybrid servo
drive stops its
input (EF1)
Troubleshoot and press ”RESET”
0032H
5
9000H
F52
Password is
locked after
three attempts
(Pcod)
Shut down the servo drive, wait for certain
time. Make sure that the power indicator
is off. (≤ 22kW: wait for 5 min after shut
down; ≥ 30kW: wait for 10 min after shut
down). Then restart the servo drive and
enter the right password
0034H 5 FF26H
F53
CPU fault (ccod) Send back to manufacturer for repair.
0035H
4
7500H
E54
Illegal command
(cE1)
Verify if the communication command is
correct (Communication code must be 03,
06, 10)
0036H
4
7500H
E55
Illegal data
address (cE2)
Verify if the communication data length is
correct.
0037H
4
7500H
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