Dometic SCS / SCM Family
Official technical documentation and workshop diagnostics for Dometic SCS / SCM Family.
Technical Specifications
ElectricalNominal input voltage: 220–240 V AC. Nominal input current: 0.32 A (SCS2), 0.45 A (SCS4), 0.6 A (SCS8). Nominal battery voltage: 12 V. Charging current: 2 A (SCS2), 1–4 A (SCS4), 2–8 A (SCS8). Recommended battery capacity: 3–40 Ah (SCS2), 5–80 Ah (SCS4), 10–160 Ah (SCS8). Battery maintenance capacity: Up to 80 Ah (SCS2), Up to 100 Ah (SCS4), Up to 250 Ah (SCS8).
Capacities DimensionsProtection type: IP65. Ambient temperature for operation: -20°C … 50°C. Ambient humidity: <= 90%, non-condensing. Dimensions (W x D x H): 153 x 73 x 6.8 mm (SCS2), 290 x 84 x 44 mm (SCS4), 235 x 108 x 47 mm (SCS8). Weight: 280 g (SCS2), 420 g (SCS4), 760 g (SCS8).
Master Troubleshooting & Diagnostics Matrix
| Error Code / Indicator | Symptom / Meaning | Step-by-Step DIY Fix | Suggested Actions |
|---|---|---|---|
N/A | The battery charger does not work. The power LED does not light up. Possible Cause: The battery poles are dirty or corroded, insulation faults/breaks/loose connections at live cables, or a short circuit triggered the device fuse. | Disconnect charger from power and battery poles, clean poles, check live cables for insulation faults/breaks. Device fuse must be replaced by an authorized service agent if triggered by excess current. | DIY Check / Tech Fallback |
N/A | The battery charger does not work. The error LED is lit. Possible Cause: Preliminary check detected undervoltage or sulfation; battery could not be regenerated; LiFePO4 undervoltage protection; incorrect charging program; or overvoltage protection. | For rescue mode failure, replace battery. For LiFePO4 undervoltage, press the mode button for at least 5s to reset; if minimum voltage is not reached, replace battery. Ensure battery clamps are firmly secured. Verify charging program setting. Reduce connected voltages and reset by holding the mode button for at least 5s. | DIY Safe |
N/A | Unusually long charging time. Battery is not fully charged. Possible Cause: The charging program is not set correctly for the battery used. | Check the setting of the charging program and press the mode button to set the correct charging program for the battery used. | DIY Safe |
N/A | Device has visible damage Possible Cause: Physical damage to housing or power cable | Do not operate the device. Replace damaged power cables via the manufacturer, service agent, or qualified person. | Professional Intervention Required |
N/A | Blown fuse / Device loses power Possible Cause: Electrical short circuit or overload | Disconnect device from power supply before changing a fuse. Note that internal parts may still conduct voltage even after a fuse has blown. | DIY Safe |
N/A | Battery will not charge / Frozen or defective battery Possible Cause: Battery is frozen or defective | Never attempt to charge a frozen or defective battery. Place battery in a frost-free area, allow it to acclimatize to ambient temperature, then start charging. | DIY Safe |