| Fault Phenomenon | Possible Causes | Troubleshooting Steps | Opscom Solution |
|---|---|---|---|
| Unstable Signal | Poor Shielding / Pin Oxidation | 1. Check shielding layer lap joint; 2. Clean pins with anhydrous ethanol; 3. Replace shielded harness |
High protection version with shielded rear shell |
| Waterproof Failure | O-ring Aging / Unlocked Thread | 1. Check O-ring (replace yearly); 2. Retighten with standard torque; 3. Add waterproof junction box |
Dual O-ring enhanced version, IP69K high-pressure flushing resistant |
| Unplugable / Unpluggable | Coding Misalignment / Bent Pin | 1. Verify coding key direction; 2. Inspect pins with magnifier (slight correction); 3. Prohibit forced insertion |
Foolproof coding + reinforced pin design |
Technical Note: For signal instability faults, focus on checking the grounding status of the shielding layer (must be reliably grounded); the O-ring of waterproof connectors should be stored in a dry and low-temperature environment when not in use to avoid premature aging; when correcting bent pins, use professional tools to avoid excessive force causing secondary damage; it is recommended to conduct quarterly preventive maintenance on M8 connectors used in harsh industrial environments to reduce fault probability.
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