Installation Guide
Tools Needed:
- Digital multimeter
- Screwdrivers (flat and Phillips)
- Wire cutters/strippers
- Soldering iron and solder
- Safety gloves and goggles
- Heat shrink tubing
Step-by-Step Installation
- Safety First: Disconnect power source and ensure battery is disconnected before beginning any repair work.
- Inspection: Visually inspect the charger for any physical damage, burnt components, or loose connections.
- Disassembly: Remove outer casing carefully, noting screw locations and any hidden clips or fasteners.
- Circuit Board Access: Remove the main circuit board, taking note of wire connections and their positions.
- Component Testing: Test key components including transformers, capacitors, diodes, and voltage regulators.
- Wiring Check: Inspect all wiring for fraying, corrosion, or loose connections.
- Reassembly: After repairs, reassemble in reverse order, ensuring all connections are secure.
- Test Operation: Test the charger with a known good battery to verify proper charging function.
Specifications
| Model Series | SC, SE, XC Series |
| Type | Automatic Battery Charger/Maintainer |
| Input Voltage | 120V AC, 60Hz |
| Output Voltage | 6V/12V Automatic |
| Charging Current | 2A, 10A, 15A, 50A (Model Dependent) |
| Battery Types | Standard, AGM, Gel, Deep Cycle |
| Microprocessor Control | Yes - Fully Automatic |
| Desulfation Mode | Yes (Select Models) |
| Float Maintenance | Yes - Automatic |
| Dimensions | Varies by Model (Typical: 25 x 18 x 10 cm) |
| Weight | 1.5 - 5 kg (Model Dependent) |
| Safety Features | Reverse Polarity, Short Circuit, Overheat Protection |
Warranty Information
- Limited Warranty: 1 year parts and labor
- Extended Coverage: Available for commercial use
- Warranty Void: If opened by unauthorized personnel
For warranty service, contact Schumacher Customer Service at 1-800-621-5485 or visit SchumacherElectric.com
Key Features
Microprocessor Controlled
Advanced microprocessor automatically adjusts charge rate and monitors battery condition for optimal charging and safety.
Multi-Stage Charging
Bulk, absorption, and float stages ensure complete charging while preventing overcharging and extending battery life.
Battery Desulfation
Patented desulfation mode helps restore batteries with sulfate buildup, potentially reviving old or weak batteries.
Automatic Voltage Detection
Automatically detects 6V or 12V batteries and adjusts charging parameters accordingly for safe, efficient charging.
Float Mode Maintenance
Once battery is fully charged, maintains optimal voltage to keep battery at full charge without overcharging.
Reverse Polarity Protection
Built-in protection prevents damage if battery cables are accidentally connected backwards.
Charging Technology Explained
Bulk Charging
Delivers maximum current to bring battery to 80% charge quickly
Absorption Phase
Slower charging to reach 100% capacity without overheating
Float Maintenance
Maintains full charge with minimal current to prevent discharge
Desulfation Mode
Pulse charging to break down sulfate crystals on plates
Battery Testing
Automatically tests battery condition before beginning charge cycle
Error Detection
Monitors for bad cells, shorts, and other battery problems
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Charger won't turn on | Power cord damage, blown fuse, faulty switch | Check power cord, replace fuse, test power switch |
| No output/not charging | Bad transformer, faulty diodes, open circuit | Test transformer windings, check diode bridge, trace circuit continuity |
| Overheating | Faulty fan, blocked vents, shorted components | Check/replace cooling fan, clear vents, inspect for shorts |
| Incorrect charging rate | Failed voltage regulator, bad sensing circuit | Test voltage regulator IC, check current sensing resistors |
| Display errors/fault lights | Microprocessor fault, sensor failure | Reset unit, check sensor connections, replace control board if needed |
| Intermittent operation | Loose connections, cold solder joints | Inspect all connections, reflow suspicious solder joints |
Error Codes & Indicator Lights
- Red Light Flashing: Reverse polarity detected - Check cable connections
- Green/Red Alternating: Battery fault - Test battery condition
- Solid Red: Charging in progress - Normal operation
- Solid Green: Charge complete/maintaining - Normal operation
- No Lights: No power - Check AC input and fuses
- Error 1/E1: Over temperature - Allow to cool, check fan
- Error 2/E2: Output short - Check cables and battery connections
Manual Downloads
Current Model Manuals
SC1300
12V 30A Fully Automatic
SE-1052
10A 2/10/50A Manual
SC1355
15A 6/12V Automatic
XCS15
15A AGM/Gel Compatible
Popular Previous Models
SC1000A
10A Automatic Charger
SE-82-6
2/6/10/50A Manual
SC1200
12A Automatic Charger
SC600
6A Automatic Maintainer