3 Magnum diagnostic codes on file. Each shows the symptom for free — unlock the full diagnosis, repair steps, and field insights with a free account.
| Code | System | Symptom | Fix |
|---|---|---|---|
| Auto Sense Fail | Generator | Unit starts but shuts down immediately; "Auto Sense Fail" on screen. | Unlock |
| Low Oil / High Temp | Generator | Engine shuts down; Red "Alarm/Fault" LED is solid. | Unlock |
| Underspeed | Generator | Unit starts, attempts to rev up, then shuts down. | Unlock |
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