Omron R6YXC1000, User Manual, Page: 234 / 260

A
Troubleshooting
A-52
17.901: Over voltage
Code : &H0011 &H0385
Meaning/Cause
a. Output voltage for motor power supply exceeded 420 V.
b. The regenerative unit safety device was triggered due to temperature rise (120 °C or more) in
regeneration damping resistor.
c. The regenerative unit is defective.
d. The SAFETY connector is used incorrectly.
Action
a, b-1. Check the power supply voltage.
b-2, c. Lower the robot duty cycle.
d. Do not supply 24 V DC to the SAFETY connector from external source.
17.902: IPM error
Code : &H0011 &H0386
Meaning/Cause
• The power module overheated.
• The power module or motor drew excessive current.
Action Lighten the load on the robot.
17.905: Resolver wire breakage
Code : &H0011 &H0389
Meaning/Cause
a. The resolver signal wire is broken.
b. The motor malfunction occurred.
c. The controller malfunction occurred.
Action
a. Replace the ROB I/O cable.
b. Replace the motor.
c. Replace the controller.
17.906: ABS. mixing error 2
Code : &H0011 &H038A
Meaning/Cause The position data count is not consistent while the controller power is on.
Action
• Replace the ROB/IO cable.
• Replace the controller.
17.910: Position deviation error
Code : &H0011 &H038E
Meaning/Cause
a. The robot drive section mechanically locked.
b. The motor acceleration is excessive.
c. The system generation setting is incorrect.
d. The motor cable wiring is broken or wiring is incorrect.
e. The vertical axes electromagnetic brake is defective.
f. Wiring is incorrect or disconnected on the vertical axes electromagnetic brake.
g. The SAFETY connector is not used correctly.
Action
a. Perform robot service and maintenance.
b. Lower the motor acceleration.
c. Redo the system generation.
d-1. Wire the motor cable correctly.
d-2. Replace the motor cable.
e. Replace the vertical axes electromagnetic brake.
f. Replace the ROB I/O cable.
g. Do not use 24 V DC from the SAFETY connector as power source for external loads.