9-56
9-57
Chapter
9
TROUBLESHOOTING
22.9 : Abnormal over voltage
Code
: &H1609
Meaning/Cause
: a. Output voltage for motor power supply exceeded 420 volts.
b. Regenerative unit not connected to controller.
c. Regenerative unit safety device triggered due to temperature
rise (120
°
C or more) in regeneration damping resistor.
d. Cable connecting regenerative unit and controller is
defective.
e. Regenerative unit is defective.
f. Safety connector is used incorrectly.
Action
: 1. Check the power supply voltage.
2. Connect the regenerative unit.
3. Lower the robot operating duty.
4. Replace the RGEN cable.
5. Replace the regenerative unit.
6. Do not supply DC 24V to SAFETY connector from external
source.
22.10 : Abnormal drop in voltage
Code
: &H160A
Meaning/Cause
: a. Output voltage for motor power supply dropped below 140V.
b. Power supply has insufficient capacity.
c. Vertical axis electromagnetic brake is defective.
d. SAFETY connector is used incorrectly.
Action
: 1. Check the power supply voltage.
2. Check if supply voltage drops during robot operation.
3. Lower the robot duty cycle.
4. Replace the vertical axis electromagnetic brake.
5. Do not supply DC 24V to SAFETY connector from external
source.
6. Do not use DC 24V from SAFETY connector as power source
for driving external loads.
22.12 : Abnormal temperature
Code
: &H160C
Meaning/Cause
: Controller internal temperature rose to 60
°
C or more.
Action
: 1. Improve the operating environment.
2. Check if the cooling fan is operating correctly.
3. Replace the controller.
Dedicated output
: *1
[22] Major hardware errors
Содержание RCX222
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