Omron R6YXC1000, User Manual, Page: 243 / 260

A
Troubleshooting
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22.901: CT type mismatch
Code : &H0016 &H0385
Meaning/Cause The correct current sensor controller is not used for the set robot.
Action Replace the current sensor controller with a correct one.
22.902: Position sensor type mismatch
Code : &H0016 &H0386
Meaning/Cause The correct position sensor is not set for the set robot correctly.
Action Contact your distributor.
22.903: Driver unit disconnected
Code : &H0016 &H0387
Meaning/Cause The CPU unit did not recognize the driver unit.
Action Replace the controller.
22.904: Driver2 board disconnected
Code : &H0016 &H0388
Meaning/Cause The CPU unit did not recognize the driver 2 board.
Action Replace the controller.
22.905: Abnormal over voltage
Code : &H0016 &H0389
Meaning/Cause
a. Output voltage for motor power supply exceeded 420 V.
b. The regenerative unit safety device triggered due to temperature rise in regeneration
damping resistor.
c. The regenerative unit is defective.
d. The SAFETY connector is used incorrectly.
Action
• Check the power supply voltage.
• Lower the robot duty cycle.
• Do not supply 24 V DC to the SAFETY connector from external source.
22.906: Break 24V power abnormal
Code : &H0016 &H038A
Meaning/Cause
The brake power voltage dropped.
a. Power was not supplied to BK 24 V.
b. Brake cable was short-circuited.
c. Controller malfunctioned.
Action
a. Supply the brake power.
b. Replace the robot cable.
c. Replace the controller.