Trouble Shooting Guide 8
MXS 7.0, MULTI XS 7000, Zafir 100, M100
• No LED is lit when the charger is connected only to the battery
Explanation: The plug has to be connected for the LED’s to be lit.
• No LED is lit when the charger is connected only to the power outlet
Explanation: One of the LED’s at the lower row should light up when the
charger is connected to the power outlet.
Test: Make sure that there is power from the power outlet.
• No LED’s are lit on the top row when the charger is connected to both the
power outlet and the battery
The LED’s on the lowest row are lit and you can change charging mode. None
of the LED’s the top row on is indicating charging status.
Explanation: The battery voltage could be under 2±0.5V.
Test: Try to charge the battery in Supply mode for approximately 5 min. Then
try regular charging.
Test: Test the charger on a fresh battery.
• is lit for 4 hours and then turns into error mode
If the battery voltage is not above 12,5V after 4h the charger will turn into error
mode, because the voltage has not increased in the way it should have done.
Explanation 1: The battery is too large in relation to the capacity of the
charger.
Test: Make sure that the battery/batteries size is not larger than the
recommendations for Multi XS 7000 (225Ah).
Test: Try to restart the charger because the charger might need more time to
charge the battery.
Explanation 2: Larger loads are connected to the battery.
Test: Disconnect the battery and try to charge it without the loads.
Test: Try to restart the charger because the charger might need more time to
charge the battery.
Explanation 3: If the battery is warm and/or is boiling heavily during the
charging, it is most likely due to a defective cell in the battery.
Test: Change the battery.
• is flashing for 4 hours, then turns into error mode
Explanation: The battery is probably too sulphated to revive. The battery is
faulty and it is time to change it.
• is lit and then turns into error mode
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