• Poor connection between battery and controller
• The battery voltage is low or the battery is faulty or
disconnected
• Faulty controller
Solutions
• Ensure that the battery terminals are properly connected
• Measure the battery voltage – it should be no lower than
11V DC when placed under load.
• Check for corrosive build-up around the battery terminals.
If there is corrosion, replace both the battery and
terminals
• Replace the battery
• Ensure that the ‘Mains Present’ icon is solid
• Replace faulty controller