| Error Symptom | Probable Cause (per manual) | Corrective Action | |---------------|-----------------------------|--------------------| | LED flashes 3x | Over-temperature on primary side | Check cooling fan & thermal paste on heatsink | | No DC output | Fuse F1 open (due to inrush current) | Replace F1 (5A/250V slow-blow) and test bridge rectifier | | Intermittent reset | Capacitor C47 (1000µF) degradation | Replace with low-ESR 105°C rated cap |
Detailed procedures for routine maintenance, such as cleaning and replacing air filters, and repair procedures for faulty components or modules are provided.
