MotoCrane RADICAL and ULTRA Error Codes

All 107 MotoCrane RADICAL and ULTRA warning and error codes in plain language, with what to do on set. Sourced from MotoCrane's troubleshooting guides. Some numbers mean different things on each arm, so check the right list.

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RADICAL codes

Printable card (PDF)

Code	Name	Type	First move
002	Lift Motor Temp Warning	warning	Keep working with care and watch the temperature readout.
003	Lift Motor Temp Error	error	Stop major lift moves and let it cool below the error threshold.
004	Lift Motor Temp Sensor Failure	sensor fault	Contact MotoCrane Support and book service.
007	Lift Motor Driver Temp Warning	warning	Keep working with care and watch the temperature readout.
008	Lift Motor Driver Temp Error	error	Stop major lift moves and let it cool below the error threshold.
009	Lift Motor Driver Temp Sensor Failure	sensor fault	Contact MotoCrane Support and book service.
012	Lift Over-Current Warning	warning	Keep working with care and watch current and temperatures.
013	Lift Over-Current Error	error	Stop using the axis while the error is active.
014	Lift Current Sensor Failure	sensor fault	Contact MotoCrane Support.
017	Lift Motor Current Warning	warning	Clear anything blocking the boom.
018	Lift Motor Stall	error	Disarm, power cycle, and test the axis again.
020	Lift IMU Warning	warning	Do not push the rig any harder than the conditions that triggered this.
021	Lift IMU Error	error	Back off to an acceptable level of terrain, speed, or move intensity.
022	Lift IMU Sensor Failure	sensor fault	Contact MotoCrane Support.
029	Lift Motor Command Timeout	error	Power cycle the system.
031	Boom Imbalance - Front Heavy	warning	Rebalance payload and counterweight following the Operation Manual.
032	Lift Limits Disabled From Error	error	Power cycle.
033	Boom Imbalance - Back Heavy	warning	Rebalance payload and counterweight following the Operation Manual.
035	Central Heartbeat Timeout	error	Power cycle the system.
042	Swing Motor Temp Warning	warning	Keep working with care and watch the temperature readout.
043	Swing Motor Temp Error	error	Stop major swing moves and let it cool below the error threshold.
044	Swing Motor Temp Sensor Failure	sensor fault	Contact MotoCrane Support and book service.
047	Swing Motor Driver Temp Warning	warning	Keep working with care and watch the temperature readout.
048	Swing Motor Driver Temp Error	error	Stop major swing moves and let it cool below the error threshold.
049	Swing Motor Driver Temp Sensor Failure	sensor fault	Contact MotoCrane Support and book service.
052	Swing Over-Current Warning	warning	Keep working with care and watch current and temperatures.
053	Swing Over-Current Error	error	Stop using the axis while the error is active.
054	Swing Current Sensor Failure	sensor fault	Contact MotoCrane Support.
057	Swing Motor Current Warning	warning	Clear anything blocking the boom.
058	Swing Motor Stall	error	Disarm, power cycle, and test the axis again.
060	Swing IMU Warning	warning	Do not push the rig any harder than the conditions that triggered this.
061	Swing IMU Error	error	Back off to an acceptable level of terrain, speed, or move intensity.
062	Swing IMU Sensor Failure	sensor fault	Contact MotoCrane Support.
069	Swing Motor Command Timeout	error	Power cycle the system.
072	Swing Limits Disabled From Error	error	Power cycle.
075	Swing Driver Heartbeat Timeout	error	Power cycle the system.
081	Swing Encoder Data Suspect	warning	Power cycle the system.
082	Swing Encoder Data Invalid	warning	Power cycle to reset the board.
089	Swing Encoder Heartbeat Timeout	error	Power cycle the system.
101	Lift Encoder Data Suspect	warning	Power cycle the system.
102	Lift Encoder Data Invalid	warning	Run the Lift Encoder Calibration and power cycle.
109	Lift Encoder Heartbeat Timeout	error	Power cycle the system.
122	System Over-Voltage Warning	warning	Check the power source voltage. The PSU wants 48VDC (45 to 60VDC max).
123	System Over-Voltage Error	error	Disarm and disconnect the power source.
125	System Under-Voltage Warning	warning	Check the power source voltage. The PSU wants 48VDC (45 to 60VDC max).
126	System Under-Voltage Error	error	Move the arm to a safe position and disarm.
128	System Over-Current Warning	warning	Keep working with care and watch current and temperatures.
129	System Over-Current Error	error	Stop using the axis while the error is active.
130	System Current Sensor Failure	sensor fault	Contact MotoCrane Support.
133	Lift Joystick Failure	error	Power cycle with joysticks centered.
135	Lift Joystick Initialization Failure	error	Power cycle with both joysticks centered and hands off.
138	Swing Joystick Failure	error	Power cycle with joysticks centered.
140	Swing Joystick Initialization Error	error	Power cycle with both joysticks centered and hands off.
233	Lift Control Mode Disabled From Error	error	Check STATUS and LOG to find the cause.
236	Swing Control Mode Disabled From Error	error	Check STATUS and LOG to find the cause.
239	Lift Limit Switch Error	error	Move the lift axis away from the mechanical limit.

ULTRA codes

Printable card (PDF)

Code	Name	Type	First move
002	Lift Motor Temp Warning	warning	Keep working with care and watch the temperature readout.
003	Lift Motor Temp Error	error	Stop major lift moves and let it cool below the error threshold.
004	Lift Motor Temp Sensor Failure	sensor fault	Contact MotoCrane Support and book service.
007	Lift Motor Driver Temp Warning	warning	Keep working with care and watch the temperature readout.
008	Lift Motor Driver Temp Error	error	Stop major lift moves and let it cool below the error threshold.
009	Lift Motor Driver Temp Sensor Failure	sensor fault	Contact MotoCrane Support and book service.
012	Lift Over-Current Warning	warning	Keep working with care and watch current and temperatures.
013	Lift Over-Current Error	error	Stop using the axis while the error is active.
014	Lift Current Sensor Failure	sensor fault	Contact MotoCrane Support.
018	Lift Motor Stall	error	Disarm, power cycle, and test the axis again.
020	Lift IMU Warning	warning	Do not push the rig any harder than the conditions that triggered this.
021	Lift IMU Error	error	Back off to an acceptable level of terrain, speed, or move intensity.
022	Lift IMU Sensor Failure	sensor fault	Contact MotoCrane Support.
029	Lift Motor Command Timeout	error	Power cycle the system.
031	Boom Imbalance - Front Heavy	warning	Rebalance payload and counterweight following the Operation Manual.
032	Lift Limits Disabled From Error	error	Power cycle.
033	Boom Imbalance - Back Heavy	warning	Rebalance payload and counterweight following the Operation Manual.
035	Central Heartbeat Timeout	error	Power cycle the system.
042	Swing Motor Temp Warning	warning	Keep working with care and watch the temperature readout.
043	Swing Motor Temp Error	error	Stop major swing moves and let it cool below the error threshold.
044	Swing Motor Temp Sensor Failure	sensor fault	Contact MotoCrane Support and book service.
047	Swing Motor Driver Temp Warning	warning	Keep working with care and watch the temperature readout.
048	Swing Motor Driver Temp Error	error	Stop major swing moves and let it cool below the error threshold.
049	Swing Motor Driver Temp Sensor Failure	sensor fault	Contact MotoCrane Support and book service.
052	Swing Over-Current Warning	warning	Keep working with care and watch current and temperatures.
053	Swing Over-Current Error	error	Stop using the axis while the error is active.
054	Swing Current Sensor Failure	sensor fault	Contact MotoCrane Support.
058	Swing Motor Stall	error	Disarm, power cycle, and test the axis again.
060	Swing IMU Warning	warning	Do not push the rig any harder than the conditions that triggered this.
061	Swing IMU Error	error	Back off to an acceptable level of terrain, speed, or move intensity.
062	Swing IMU Sensor Failure	sensor fault	Contact MotoCrane Support.
069	Swing Motor Command Timeout	error	Power cycle the system.
072	Swing Limits Disabled From Error	error	Power cycle.
075	Swing Driver Heartbeat Timeout	error	Power cycle the system.
081	Swing Encoder Data Suspect	warning	Power cycle the system.
082	Swing Encoder Data Invalid	warning	Power cycle to reset the board.
089	Swing Encoder Heartbeat Timeout	error	Power cycle the system.
101	Lift Encoder Data Suspect	warning	Power cycle the system.
102	Lift Encoder Data Invalid	warning	Power cycle to reset the board.
109	Lift Encoder Heartbeat Timeout	error	Power cycle the system.
121	System Over-Voltage Warning	warning	Check the power source voltage. The PSU wants 48VDC (45 to 60VDC max).
122	System Under-Voltage Warning	warning	Check the power source voltage. The PSU wants 48VDC (45 to 60VDC max).
123	System Over-Voltage Error	error	Disarm and disconnect the power source.
124	System Under-Voltage Error	error	Confirm the Controller cable is in the PSU COM port, not AUX.
125	Joystick Failure Error	error	Disarm and power cycle.
126	System Over-Current Warning	warning	Keep working with care and watch current and temperatures.
127	System Over-Current Error	error	Stop using the axis while the error is active.
128	System Current Sensor Failure	sensor fault	Confirm the Controller cable is plugged into the PSU COM port, not AUX.
129	Lift Joystick Initialization Failure	error	Power cycle with both joysticks centered and hands off.
130	Swing Joystick Initialization Error	error	Power cycle with both joysticks centered and hands off.
131	Controller Heartbeat Timeout	error	Power cycle the system.