Sr.
No.
|
Error
|
Means
|
Causes
|
1
|
UV
|
DC bus under voltage
|
Low AC supply voltage
Low DC bus voltage when supplied by an external DC power supply
|
2
|
OV
|
DC bus over voltage
|
Deceleration rate set too fast for the inertia of the machine
Mechanical load driving the motor
|
3
|
OI.AC**
|
Drive output instantaneous over current
|
Insufficient ramp times
Phase to phase or phase to ground short circuit on the drives output
Drive requires autotuning to the motor
Motor or motor connections changed, re-autotune drive to motor
|
4
|
OI.br**
|
Braking resistor instantaneous over current
|
Excessive braking current in braking resistor
Braking resistor value too small
|
5
|
O.SPd
|
Over speed
|
Excessive motor speed (typically caused by mechanical load driving
the motor)
|
6
|
tunE
|
Auto tune stopped before
completion
|
Run command removed before autotune complete
|
7
|
It.br
|
I2t on braking resistor
|
Excessive braking resistor energy
|
8
|
It.AC
|
I2t on drive output current
|
Excessive mechanical load
High impedance phase to phase or phase to ground short circuit at drive output
Drive requires re-autotuning to motor
|
9
|
O.ht1
|
IGBT over heat based on drives thermal model
|
Overheat software thermal model
|
10
|
O.ht2
|
Over heat based on drives heatsink
|
Heatsink temperature exceeds allowable maximum
|
11
|
th
|
Motor thermistor trip
|
Excessive motor temperature
|
12
|
O.Ld1*
|
User +24V or digital output overload
|
Excessive load or short circuit on +24V output
|
13
|
O.ht3
|
Drive over-heat based on thermal model
|
Overheat software thermal model
|
14
|
O.ht4
|
Power module rectifier over temperature
|
Power module rectifier temperature exceeds allowable maximum
|
15
|
cL1
|
Analog input 1 current mode, current loss
|
Input current less than 3mA when 4-20 or 20-4mA modes selected
|
16
|
SCL
|
Serial communications loss time-out
|
Loss of communication when drive is under remote control
|
17
|
EEF
|
Internal drive EEPROM trip
|
Possible loss of parameter values
|
18
|
PH
|
Input phase imbalance or input phase loss
|
One of the input phases has become disconnected from the drive
(applies to 200/400V three phase drives only, not dual rated drives)
|
19
|
rS
|
Failure to measure motors stator resistance
|
Motor too small for drive
Motor cable disconnected during measurement
|
20
|
CL.bt
|
Trip initiated from the control word
|
Control word has initiated a trip
|
21
|
C.Err
|
SmartStick data error
|
Bad connection or memory corrupt within SmartStick
|
22
|
C.dAt
|
SmartStick data does not exist
|
New/empty SmartStick being read
|
23
|
C.Acc
|
SmartStick read/write fail
|
Bad connection or faulty SmartStick
|
24
|
C.rtg
|
SmartStick/drive rating change
|
Already programmed SmartStick read by a drive of a different rating
|
25
|
O.cL
|
Overload on current loop input
|
Input current exceeds 25mA
|
26
|
HFxx
trip
|
Hardware faults
|
Internal drive hardware fault (see the Advanced User Guide)
|
Sr.
No.
|
Error
|
Means
|
Remedy
|
27
|
OVL.d
|
I x t overload (I = current, t = time)
|
Reduce motor current (Load)
|
28
|
hot
|
Heatsink/IGBT temperature high
|
Reduce ambient temperature or reduce motor current
|
29
|
br.rS
|
Braking resistor overload
|
See Menu 10 in the Advanced User Guide
|
30
|
AC.Lt
|
Drive is in current limit
|
See Menu 10 in the Advanced User Guide
|
31
|
FAIL
|
Failed attempt to read stick
|
An attempt has been made to read the stick when the drive was not
disabled or tripped, or the stick is read-only
|
