Light alarm selection 1 and 2
If the inverter detects a minor abnormal state “light alarm”, it can continue the current operation without tripping
while displaying the “light alarm” indication
l-al
on the LED monitor. In addition to the indication l-al, the inverter
blinks the KEYPAD CONTROL LED. Function codes H81 and H82 specify which alarms should be categorized as
“light alarm.”
The table below lists alarms selectable as “light alarm.”
Code Name Description
0h1
Heat sink overheat Heat sink temperature increased to the trip level.
0h2
Enable external alarm trip
An error that has occurred in peripheral equipment
turned the external alarm signal THR ON.
0h3
Inverter internal overheat
The temperature inside the inverter abnormally has
increased.
dbh
Braking resistor overheat
Estimated temperature of the coil in the braking
resistor exceeded the allowable level.
0l1
to
0l2
Overload of motor 1 to 2
Motor temperature calculated with the inverter output
current reached the trip level.
er4
Option communications error
Communications error between the inverter and an
option.
er5
Option error An option judged that an error occurred.
ert
Built-in CAN communications link
error
Error generated in built-in CAN communications link
er8
erp
RS-485 communications error
(COM port 1, 2)
RS-485 communications error in COM ports 1 or 2.
cof
PID feedback wire break The PID feedback signal wire(s) is broken.
fal
Detect DC fan lock Failure of the air circulation DC fan inside the inverter
0l
Motor overload early warning Early warning before a motor overload
0h
Heat sink overheat early warning Early warning before a heat sink overheat trip
lif
Lifetime alarm
It is judged that the service life of any one of the
capacitors (DC link bus capacitors or electrolytic
capacitors on the printed circuit boards) or cooling fan
has expired.
Or, failure of the air circulation DC fan inside the
inverter.
ref
Reference loss Analog frequency command was lost.
pid
PID alarm
Warning related to PID control (absolute-value alarm
or deviation alarm)
uTl
Low output torque detection
Output torque drops below the low torque detection
level for the specified period.
pTc
PTC thermistor activated
The PTC thermistor on the motor detected a high
temperature.
rTe
Inverter life (Cumulative run time)
The motor cumulative run time reached the specified
level.
cnT
Inverter life (Number of startups) Number of startups reached the specified level.
Set data for selecting “light alarms” in hexadecimal. For details on how to select the codes, see the next page.
• Data setting range: 0000 to FFFF (hexadecimal)
To Next Page
Loading...
