Omron R6YXC1000, User Manual, Page: 241 / 260

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Troubleshooting
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21.912: System error (RTOS)
Code : &H0015 &H0390
Meaning/Cause Software error occurred.
Action Contact your distributor.
21.915: System error (NULL access)
Code : &H0015 &H0393
Meaning/Cause Software error occurred.
Action Contact your distributor.
21.999: System error (UNDEFINED)
Code : &H0015 &H03E7
Meaning/Cause Software error occurred.
Action Contact your distributor.
[22] Serious alarm related to hardware
22.504: Abnormal drop in voltage
Code : &H0016 &H01F8
Meaning/Cause
a. Output voltage for motor power supply dropped below 140V.
b. Power supply has insufficient capacity.
c. The vertical axes electromagnetic brake is defective.
d. The SAFETY connector is used incorrectly.
Action
a. Check the power supply voltage.
b-1. Check if supply voltage drops during robot operation.
b-2. Lower the robot duty cycle.
c. Replace the vertical axes electromagnetic brake.
d-1. Do not supply 24 V DC to the SAFETY connector from external source.
d-2. Do not use 24 V DC from the SAFETY connector as power source for driving external loads.
22.507: Driver over heat
Code : &H0016 &H01FB
Meaning/Cause The driver unit temperature increased to approximately 60 °C or more.
Action
• Improve the installation environment.
• Check that the cooling fan operates correctly.
• Replace or clean the cooling fan filter.
• Decrease the robot duty cycle to reduce the amount of heat generated.
• Replace the controller.
22.508: Regen. over heat
Code : &H0016 &H01FC
Meaning/Cause The regenerative unit heated up abnormally.
Action
• Improve the installation environment.
• Check that the cooling fan operates correctly.
• Replace or clean the cooling fan filter.
• Decrease the robot duty cycle to reduce the amount of heat generated.
• Replace the controller.