A
Troubleshooting
A-60
22.509: Internal 24V power abnormal
Code : &H0016 &H01FD
Meaning/Cause
Internal 24V-power voltage dropped.
a. The SAFETY connector wiring was incorrect.
b. The brake cable was short-circuited.
c. The controller malfunctioned.
Action
a. Perform the wiring of the SAFETY connector correctly.
b. Replace the robot cable.
c. Replace the controller.
22.511: Fan stop error
Code : &H0016 &H01FF
Meaning/Cause
Power was not supplied to the controller cooling fan.
a. The controller cooling fan cable wiring was broken.
b. ROB I/O cable was short-circuited.
c. The controller malfunctioned.
d. Error occurred in the controller cooling fan.
e. The controller cooling fan malfunctioned.
Action
a. Replace the controller cooling fan cable.
b. Replace the ROB/IO cable.
c. Replace the controller.
d, e. Replace the controller cooling fan.
22.516: Controller over heat
Code : &H0016 &H0204
Meaning/Cause
The environmental temperature inside the controller increased to approximately 60 °C or more.
Action
• Improve the installation environment.
• Check that the cooling fan operates correctly.
• Replace the controller.
22.600: Motor power off
Code : &H0016 &H0258
Meaning/Cause
The main power voltage dropped in the servo on or servo off status.
Action
Check that the main power is input.
22.800: Control power off
Code : &H0016 &H0320
Meaning/Cause
a. The AC supply voltage of control power supply dropped below 85% of rated voltage.
b. The power source has insufficient capacity.
Action
a-1. Check the AC supply voltage.
a-2. Check if supply voltage drops during robot operation.
b. Lower the robot duty cycle.
CAUTION
This error always occurs when the power is cut off.
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