When a red light flashes on the pendant, your first instinct should be to open the Yushin robot manual’s error code appendix. Here are the most common errors and their manual solutions.
| Error Code | Meaning (from manual) | Manual Reference Page | Corrective Action | | :--- | :--- | :--- | :--- | | E-034 | Traverse servo overcurrent | Section 8.2.4 | Check traverse slide for mechanical binding. Cycle power. | | E-102 | Main arm Z-axis cable disconnection | Section 9.1 | Inspect cable carrier for broken wires. Reseat connector CN8 on driver. | | E-215 | Vacuum pressure low | Section 6.3 | Check air supply (5 bar min). Clean filter in vacuum generator. | | W-001 | Battery voltage low (absolute encoder) | Section 10.1 (Preventive) | Replace battery (Lithium ER6) immediately to avoid losing home position. | | E-401 | IMM interlock timeout | Section 5.4 | Check safety gate wiring. Ensure IMM is not in alarm state. | yushin robot manual
Critical Warning from the Manual: Do not simply "Clear" an E-034 or E-102 error without physically inspecting the robot. Doing so can cause sudden violent movement. When a red light flashes on the pendant,
Before diving into programming, you must understand which manual you need. Yushin typically breaks its documentation into four distinct volumes. Weekly: