Alarm
Alarm name
Detecting method
Cause and counter measures
AL24 Resolver ABS battery
alarm (BAL)
The ABS battery voltage dropped
below 3.2V.
Replace the ABS battery immediately.
The zero point setting is no longer saved.
Reset the absolute position.
AL25
Terry motion error
・
Zero-point restoration was executed in
the zero-point unsaved state, and it was
not completed after 30 seconds.
・
After power ON, the pattern check with
the main controller was not performed
within 150 seconds.
Faulty connection with the main controller is likely.
Check if the electric wire between the C-BOX and inverter
box is disconnected.
AL26
Parameter setting error
(CERR)
No or incorrect parameter setting.
This error occurs upon first power input. Please take contact
with us.
AL27
Resolver ABS error
(AEERR)
CHA and CHB signals are kept ON while
the power is ON but were turned OFF
perhaps by disconnection or line break.
1
．
ABS cable was disconnected.
2
．
Bad contact of the connector. Check that CTD,
CHA and CHB signals are ON.
AL32
Zero point saving error
(MZE)
When the resolver ABS is used, ABS setting
is not completed with the ABS motor. Or
this alarm is issued together with AL06,
AL19, AL22, AL23, and AL27.
When the encoder is used, the alarm is
issued together with AL42, 43, and AL45.
In case of the ABS motor, AL32 is always issued with the
factory setting.
Set the ABS position int the following steps:
AL33
Resolver ABS invalid zero
point (CLD)
The ABS position was not set following the
steps on the right when AL06, AL19, AL22,
AL23, or AL27 was issued.
AL34
Soft limit over on positive
side (SOTP)
There is a move command exceeding the
positive side soft limit set by a parameter
(enabled only in the zero point registering
operation).
Remove from the soft limit with the JOG feed after resetting
the alarm.
AL35
Soft limit over on negative
side (SOTM)
There is a move command exceeding the
negative side soft limit set by a parameter.
(enabled only in the zero point registering
operation).
AL36
Resolver ABS battery cable
broken or disconnected
(ABT)
The ABS battery went out of place when the
power was turned OFF.
Check the battery cable connectors is not coming loose or the
cable is not broken.
AL37
Coordinate counter over
(COVER)
A command is about to exceed
±
2.
Check the command data. When executing continuous
operation in one direction, set the rotary coordinate system
(PP05, 06), etc.
AL38
Overrun (OVTR)
The stroke end limit in the moving direction
is exceeded.
Remove from the limit with the JOG feed after resetting the
alarm.
AL39
Limit error (LIMERR)
During the limit positioning operation, the
limit signal cannot be detected after moving
by the amount of limit abnormality detec-
tion width (PP22, 23) or more.
Check the relationship between the limit signal installation
position and the limit abnormality detection width.
NOTE
: How to reset alarm codes
Press the SET key of the display unit while an alarm code is displayed. Or turn ON the reset input signal to clear the alarm code and the
flashing dot mark.
If multiple alarms were issued, one alarm is cleared each time the SET key is pressed. All alarms are reset by the reset input signal.
E5. Electronic Terry Motion
105
