Dinverter
A
User Guide
Issue code: d2au9
86
5
Press
to clear the trip. The display will briefly show
inh
, then
rdY
.
The Drive can now be re-started.
8.4 Trip
codes
Internal trips
Display
Trip
number
Condition
Possible cause
UU
1
Insufficient voltage on
the DC bus
Low
AC
supply voltage
OU
2
Excessive voltage on the
DC bus
Excessive inertia in the machine
[0.04]
Deceleration rate
too low
OI
3
Excessive output
current
Insufficient ramp times
Short-circuit at the Drive output
Wait at least one second before resetting the
Drive to clear this trip.
PS
4
Internal power supply
has tripped
Internal short-circuit
If the trip persists, consult a Drive Centre.
Et
5
External trip
Trip signal has been received at terminal B5
O.SP
6
Excessive motor speed
Excessive motor speed (typically caused by the
mechanical load driving the motor)
It
7
Motor overloaded on
current
×
time
cL
8
Loss of current loop on
analog input 2 when
used as 4-to-20mA or
20-to-4mA
current-signal input
Input current is less than 3mA
Oh2
9
Excessive heatsink
temperature
Temperature exceeds 100
°
C (212
°
F)
EEF
10
Failure of the internal
EEPROM
Possible loss of parameter values
Corruption due to severe electrical noise
Try restoring default values, then re-enter the
values for the application. If the trip persists,
consult a Drive Centre.
th
11
Excessive motor
temperature (detected
by motor thermistor)