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🔧 Common problems and error codes

1. No charging

• No mains power

• Faulty cable or plug

• Poor battery connection

• Battery below 1V (deep discharged)

2. Reverse polarity

• Polarity swapped (+/-)

• Charger enters error mode

• Charging will not start

Error code:
E01 – Reverse polarity

3. Overheating

• High ambient temperature

• Poor ventilation

• Internal charger fault

Error code:
E02 – Overtemperature

4. Battery defective

• Battery cannot hold charge

• Sulphated battery

• Shorted cell

• Old battery

Error code:
E03 – Battery cannot store charge

5. No battery detected

• Battery not connected

• Voltage below 1V

• Loose clamps

Error code:
E04 – No battery detected

🔄 Charging process – 10 stages

1. Connection analysis

2. Desulphation

3. Soft start

4. Controlled current charge

5. Charging analysis

6. Constant output charge

7. Recovery cycle

8. Absorption

9. Voltage retention check

10. Maintenance mode

🔧 Repair Mode

• Flashing REPAIR LED = Automatic repair mode

• Constant REPAIR LED = Manual repair mode

🛠 Quick troubleshooting

1. Check mains power

2. Check polarity

3. Measure battery voltage

4. Test on another battery

5. Activate repair mode

We stock the most commonly requested spare parts.
Please state model and spare part number when enquiring.