E658130
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5.5.9. The details of an error code
The following data are stored as fault history data when the inverter trip occurred.
Error code
Decimal
No.
Hexadecimal
No.
Description
Trip display
0 00H
No
error
nerr
1
01H
Overcurrent during acceleration
oc1
2
02H
Overcurrent during deceleration
oc2
3
03H
Overcurrent during constant speed operation
oc3
4 04H
Overcurrent
(An overcurrent on the load side at start-up)
ocl
5
05H
Overcurrent at start-up
oca
8 08H
Input
phase
failure
ephi
9 09H
Output
phase
failure
epho
10 0AH
Overvoltage
during
acceleration
op1
11 0BH
Overvoltage
during
deceleration
op2
12
0CH
Overvoltage during constant-speed operation
op3
13 0DH
Inverter
overload
ol1
14 OEH
Motor
overload
ol2
15
0FH
Dynamic braking resistor overload trip
olr
16 10H
Overheat
oh
17 11H
Emergency
stop
e
18 12H
EEPROM
fault
1
eep1
19 13H
EEPROM
fault
2
eep2
20 14H
EEPROM
fault
3
eep3
21
15H
Main unit RAM fault
err2
22
16H
Main unit ROM fault
err3
23 17H
CPU
fault
1
err4
24 18H
Communication
error
err5
26
1AH
Current detector fault
err7
27
1BH
Optional unit fault 1
err8
28
1CH
Remote keypad disconnection fault
err9
29 1DH
Low-current
operation
fault
uc
30
1EH
Undervoltage fault (main circuit)
up1
32
20H
Over-torque trip 1
ot
34 22H
Ground
fault
ef2
40 28H
Auto-tuning error
etn
41 29H
Inverter type error
etyp
45 2DH
Over speed fault
e-13
46 2EH
Thermal fault stop command from external
device
oh2
47 2FH
Step-out (for PM motor drive only)
sout