Driver Unit Capacity Abnormal

Modified on Fri, 11 Oct at 6:14 PM

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Overview

Applicable Errors:

84404421 - J1 Driver Unit Capacity Abnormal

84404422 - J2 Driver Unit Capacity Abnormal

84404423 - J3 Driver Unit Capacity Abnormal

84404424 - J4 Driver Unit Capacity Abnormal

84404425 - J5 Driver Unit Capacity Abnormal

84404426 - J6 Driver Unit Capacity Abnormal

84404427 - J7 Driver Unit Capacity Abnormal

84404428 - J8 Driver Unit Capacity Abnormal

Error Description:

The installed driver unit does not match the connected robot type.

Possible Remedy:

Installed Driver Unit capacity does not match the software value– Install the correct driver unit for the joint generating the error.
Driver Unit failure – Replace Driver Unit
Motion Board failure

Full sized teaching pendant

#2 Philips screwdriver

Step 1 Identify the current hardware setting and software setting of the controller. From main screen navigate to arm → Shift → Maintenance → Driver Unit. **Incorrect driver unit setting will be identified by red lettering.
Step 2 Hardware setting can also be confirmed on controller label on top cover of controller.
Step 3 If there is a mismatch, correct the issue by replacing the affected driver unit. If you are unfamiliar with replacing the driver unit, please contact [email protected].
Step 4 If the error persists after driver unit replacement, please investigate repair of the controller by contacting [email protected]

For repair options in the Americas please contact [email protected]
For repair options outside of the Americas, please contact your local Denso Service Center.