Yamaha SRCP - Manual (Page 225)

13-
7
13
TROUBLESHOOTING
13-3 Troubleshooting for Specific Symptom
13-3 Troubleshooting for Specific Symptom
If any problems develop while the controller is being used, check the items below for the appropriate
way to handle them. If the problem cannot be corrected using the steps listed below, please contact
our sales office or sales representative right away.
13-3-1 Relating to the robot movement
Items to Check
• Check that the status LED on the front
panel of the controller lights up or
flashes.
• If the READY signal of the I/O
connector is off and no alarm has been
issued, an emergency stop is in effect.
• Check whether the status LED is flashing.
• Check whether the servo has been turned
off in the program, and whether the TPB
has been plugged or unplugged without
pressing the ESC switch.
• Check whether the status LED is flashing.
• Connect the TPB and check whether an
alarm is displayed.
• Check whether the status LED is lit in red.
• Run step operations to check whether
the program is correct.
• Reset the program and check whether
the desired program is selected.
• Reset the program and check whether
the desired program is selected.
• Check the parameter data.
• Try using another controller if
available.
Action
• Check the voltage on the power input
terminal block. If the voltage is correct,
replace the SRCP controller.
• Check whether the emergency stop
button of the TPB or the I/O emergency
stop input (between EMG1 and EMG2)
is on.
• Turn the servo on with the I/O servo
recovery input or from the TPB
operation.
• Take corrective action according to the
instructions in the alarm message list.
• Correct the program if necessary.
• Change the program to select the
desired program.
• Change the program to select the
desired program.
• Initialize the parameters.
• If another controller operates normally,
then the currently used controller is
defective, so replace it.
• Use the correct controller and robot
combination.
• Refer to the robot user's manual.
No.
1
2
3
Possible Cause
Power is not being
supplied.
Emergency stop is
activated.
The servo is off.
An alarm has
occurred.
Misprogramming
A different
program is
selected.
The selected
program No. was
switched when the
program was
loaded into the
controller from the
memory card.
Parameter setting
error
Controller failure
Robot is at fault.
1)
2)
3)
4)
1)
2)
3)
1)
2)
3)
Symptom
Servo of robot
does not lock
even after
power is turned
on.
Program does
not run
correctly.
Abnormal
noise or
vibration
occurs.