6
troubleshooting
6-6
No.
Message
Meaning
Possible Cause
Action
8A
ABS. BATTERY ERR.
TS-X
TS-SH
Absolute battery voltage
dropped below the low
error detection level
(2.5V).
Absolute battery is disconnected.
Connect the absolute
battery correctly.
Absolute battery has worn out or
failed.
Replace the absolute
battery.
8B
ABS. COUNT ERROR
TS-X
TS-SH
Robot moved at
acceleration higher than
the specified value
during absolute battery
operation.
Large external force was applied to
the robot drive unit while the control
power supply was shut off.
Recheck the surrounding
environment where the
robot is used.
Position detection circuit failed.
Replace the controller.
8C
ABS. ME. ERROR
TS-X
TS-SH
Mismatch of absolute
multi-turn data and
position data
Position detection circuit failed.
Replace the controller.
8D
ABS.OVERFLOW ERR.
TS-X
TS-SH
Absolute multi-turn data
exceeded the specified
value.
Robot moved to a position outside of
specified value.
Check the operating
conditions and
environment.
Position detection circuit failed.
Replace the controller.
8E
OVERCURRENT
Current higher than the
allowable current flow
was detected.
Robot drive unit collided with some
objects.
Check the operation
pattern.
Motor cable is shorted.
Replace the motor cable.
Motor failed.
Replace the motor.
8F
MOTOR CURRENT
ERR.
Motor current does not
follow up on command.
Motor cable is disconnected.
Connect the motor cable
correctly.
Motor cable broke or failed.
Replace the motor cable.
Motor failed.
Replace the motor.
Wrong robot setting
Make correct robot
setting.
90
POLE SEARCH ERROR
TS-P
Failed to estimate the
magnetic pole position.
Magnetic pole position was estimated
while external force was applied.
Recheck the surrounding
environment where the
robot is used.
91
INT. COMM. ERROR
Communication error
occurred between CPU
and I/O module.
CPU peripheral circuits failed.
Cancel the alarm.
If the alarm occurs again,
replace the controller.
92
CPU ERROR
CPU stopped due to
error.
CPU failed.
Cancel the alarm.
If the alarm occurs again,
replace the controller.
93
I/O FAULT
I/O module stopped due
to error.
I/O power supply is not input or
exceeds a range of DC24V ± 10%.
Input a voltage of DC24V
± 10% to the I/O power
supply.
I/O power supply is turned off by the
NPN/PNP.
Turn the I/O power
supply back on.
I/O module failed.
Cancel the alarm (For
the NPN/PNP, turn off
the I/O power supply,
and then turn it on again
before cancelling the
alarm.).
If the alarm occurs again,
replace the controller.
94
MOTOR LINE
DISCONNECTION
TS-S2
TS-SH
Motor line disconnection
was detected during
servo ON.
Motor cable is not securely
connected.
Connect the motor cable
correctly.
Motor cable broke or failed.
Replace the motor cable.
Motor failed.
Replace the motor.
Controller failed.
Replace the controller.
97
ENC. POWER DOWN
TS-SH
Excitation power voltage
(12V) for position
detection dropped.
Controller failed.
Replace the controller.
HT1 failed.
Replace the HT1.