During the operation of the OTC DAIHEN Welding Robot, if the system experiences abnormalities such as abnormal measurement results for tool moment of inertia, insufficient servo welding gun pressure, interrupted contact tip consumption detection, or excessive electrode wear, the teach pendant will usually display a hardware and control-level alarm in the 2699 to 2783 range. If these faults are not investigated promptly, they may cause serious operational safety hazards or damage peripheral devices.
To help on-site engineers and mechanics quickly locate problems, we have organized the diagnostic terminology from the official maintenance manual to provide you with the following intuitive fault quick reference table. We recommend using the search function, entering the error code (e.g., 2699), to accurately obtain troubleshooting and processing suggestions.
I. OTC Robot Alarm Code Real-Time Quick Reference Table (2699-2783)
| Alarm Code | Fault Phenomenon | Fault Cause Analysis | Countermeasures & Solutions |
|---|---|---|---|
| 2699 | Measurement Result of Automatic Tool Moment of Inertia Setting is Abnormal | During the execution of automatic setting, the collected mechanical arm movement speed or motor current data is abnormal. | Recalibrate the teaching position to make the movement range as large as possible and less affected by gravity. No reset is required after optimization. |
| 2701 | Servo Welding Gun Axis Pressure Did Not Reach Specified Value Within Set Time | The actual pressure did not reach the predetermined target within the “Exception Detection Delay Time” set in the parameters. | Confirm whether the set target pressure is reasonable, and restart from the execution of the welding function. |
| 2702 | Servo Welding Gun Pressure Sensor Output is 0 | When executing a spot welding operation, it is detected that the feedback signal output by the servo welding gun pressure sensor is zero. | Check the wiring or directly replace the damaged pressure sensor/servo welding gun, and then reset the exception. |
| 2703 | Welding Gun Search Not Completed | The welding gun search function was abnormally interrupted by the spot welding function, or the timing logic for executing the contact tip consumption detection is incorrect. | Enter the system to modify the execution timing and time of the contact tip consumption detection, and then reset the exception. |
| 2710 | WI Signal Cannot Be Disconnected | More than 5 seconds after the pressurization or energization signal is output, the WI signal of the previous spot still remains in the turned-on state. | Confirm whether the external welding machine has a timing or relay adhesion abnormality, and restart and begin execution. |
| 2757 | Welding Machine Network Command Not Supported | The welding machine timer attempted to execute a welding machine network command communication not supported by the current firmware. | Obtain the latest matching firmware, reinstall the system control software, and then reset the exception. |
| 2763 | Welding Guns With Different Numbers Are Connected | When executing spot welding and welding gun search, the welding gun number taught in the program is different from the physically connected welding gun number. | Check and modify the parameters in the operation program to match the actual welding gun, and then reset the exception. |
| 2781 | Moving Side Electrode Consumption Exceeded Maximum Electrode Wear Amount | The actual consumption of the moving side electrode has exceeded the allowable wear threshold set by the servo welding gun parameters. | Exchange and install a new moving side electrode, re-detect the wear amount in the system, and then reset the exception. |
| 2782 | Fixed Side Electrode Consumption Exceeded Maximum Electrode Wear Amount | The actual consumption of the fixed side electrode has exceeded the allowable wear threshold set by the servo welding gun parameters. | Exchange and install a new fixed side electrode, re-detect the wear amount in the system, and then reset the exception. |
| 2783 | Difference in Contact Tip Consumption Too Large, Synchronous Welding Not Executed | When executing synchronous welding, the difference in contact tip consumption between the master/slave welding guns exceeds the alarm detection level. | Replace the contact tips on both sides simultaneously and re-detect the overall consumption before executing synchronization, and then reset the exception. |
II. Get Professional Technical Support and Maintenance Services
When the robot frequently displays the above hardware-level alarms, and routine reset attempts are ineffective, do not forcefully pull the robot arm or repeatedly force restarts, so as not to cause secondary irreversible damage.
Contact Anhui Oujie for Technical Guidance
- System Recovery & Hardware Repair: Manager Fang
- Service Hotline (WhatsApp): 180-9663-1656
- Official Email: ahojotc@gmail.com