DMG JUNIOR 4.0 - VVVF Alarm Sub Code Table

User
Manual
File Name
Revision
Date
Page
93010350.EN_A_Junior 4.0 User
Manual_240828_v1.0 - VVVF
1.0
28/08/2024
71 / 90
Code
Description
ErH
Hardware error
The LSI on the power printed circuit board has malfunctioned
due to noise, etc.
Ert
CANopen communication error
A communications error has occurred during CANopen
communication.
ECF
EN1, EN2 terminals circuit error
An abnormality was diagnosed in EN1, EN2 terminals circuit.
Ot
Over torque current
Reference torque current became excessive.
DBA
Braking transistor broken
Detection of an abnormality in the brake transistor
bbE
Brake confirmation
The inverter detects mismatch between the brake control
signal and brake detection (feedback) signal.
Eo
EN1, EN2 terminals chattering
Detected collision between ENOFF output and EN1/EN2 terminals.
input
ECL
Customizable logic error
A customizable logic configuration error has caused an alarm.
OH6
Charging resistor overheat
The temperature of the charging resistor inside the has exceeded
the allowable limit. inverter
rbA
Rescue by brake alarm
No movement detected during rescue operation by bra control. ke
tCA
Reaching maximum numbers of trip
counter
The number of trip direction changes has reached the preset
level.
SCA
Short-circuit control error
The inverter detects mismatch between the short-circuit
control signal and short-circuit detection (feedback) signal.
LCO
Load-cell overload
Load-cell function has detected overload situation by means
of preset level.
VVVF Alarm Sub code Table
Code
Alarm Name
Sub Code
Description
1
Overcurrent protection (OCT interruption)
OC1
Overcurrent during acceleration
2
Overcurrent protection (OCL interruption)
3
Short circuit protection
OC2
Overcurrent during deceleration
4
Ground fault protection
5
Detection signal failure (FAULT signal)
OC3
Overcurrent during constant speed
11
Detection signal failure (OCT signal)
12
Detection signal failure (OCL signal)
OV1
Overvoltage during acceleration
1
Overvoltage Protection (OVT signal)
OV2
Overvoltage during deceleration
OV3
Overvoltage during constant speed
11
Detection signal failure (OVT signal)
Lin
Input phase loss
1
Rectifier diode protection level detection
2
Continuous operation tolerance level detection
OPL
Output phase loss
1
OH1
Cooling fin overheat
1
Cooling fin overheat (NTC2)
3
Converter overheat (NTC4)
11
Thermistor disconnection (NTC2)
OH2
External fault
0
Protection through THR
OH3
Overheat inside inverter
0
Internal air overheat (NTC1)
“NORMAL”
overcurrent
Overcurrent
at start
Detection
circuit (PPCB)
Gate circuit