Select charger to troubleshoot

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• No indication
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• XC 800
• XS 800
• MULTI XS 3600
• Zafir 90
• MULTI XS 7000
• MULTI XT 4000
• MULTI XS 25000
• MULTI XT 14000

XC 800

• No LED is lit when the charger is connected only to the battery

  Explanation: The plug has to be connected for the LED to be lit.

• No LED is lit when the charger is connected only to the power outlet

  Explanation: The charger has to be connected to battery for the LED’s to light up.

• No LED is lit when the charger is connected to both the power outlet and the battery

  Explanation: The battery voltage could be under 4V.
  Test: Test against another battery that is fresh.

• The charger does not switch from into maintenance charging

  Explanation 1:Larger loads are connected to the battery at the same time.
  Test: Disconnect the loads from the battery and try to charge again.
  Explanation 2: Defective battery.
  Test: If possible, measure the voltage on the battery when the charging is completed. If the voltage is under 7V the battery is probably faulty.
  Test: Try the charger on another fresh battery.

• and is lit (flashing rapidly) simultaneously and there is a ticking sound

  Explanation 1: Bad connection.
  Test: Move the clamps and make sure there is no loose connection in the quick connector, Comfort Connect.
  Explanation 2: The charger is working in the desulphation phase.
  Test: Leave the charger to charge for 24h (with some supervision). If the charger does not start charging (one of the LED’s are lit) within 24h the battery is in very poor condition.

• switches to after the charge has been stopped

  Explanation: When the charger restarts the battery voltage is monitored. If the battery voltage is above 6,5V the charging will not commence. When the battery is between 6,5V and 7,2V it is considered as fully charged. The charging will automatically start again when the battery voltage drops below 6,5V.

• The error LED is lit

  Explanation: Reverse polarity.
  Test: Make sure that the + cable/clamp is connected to the + terminal and the – cable/clamp is connected to the – terminal.

XS 800

• No LED is lit when the charger is connected only to the battery

  Explanation: The plug has to be connected for the LED to be lit.

• No LED is lit when the charger is connected only to the power outlet

  Explanation: The charger has to be connected to battery for the LED’s to light up.

• No LED is lit when the charger is connected to both the power outlet and the battery

  Explanation: The battery voltage could be under 6V.
  Test: Test against another battery that is fresh.

• The charger does not switch from into maintenance charging

  Explanation 1: Larger loads are connected to the battery at the same time.
  Test: Disconnect the loads from the battery and try to charge again.
  Explanation 2: Defective battery.
  Test: If possible, measure the voltage on the battery when the charging should be finished. If the voltage is under 7V the battery is most likely faulty.
  Test: Try the charger on another fresh battery.

• and is lit (flashing rapidly) simultaneously and there is a ticking sound

  Explanation 1: Bad connection.
  Test: Move the clamps and make sure there is no loose connection in the quick connector, Comfort Connect.
  Explanation 2: The charger is working in the desulphation phase.
  Test: Leave the charger to charge for 24h (with some supervision). If the charger does not start charging (one of the LED’s are lit) within 24h the battery is in a very poor condition.

• switches to after the charge has been stopped

  Explanation: When the charger restarts the battery voltage is monitored. If the battery voltage is above 12,9V the charging will not commence. When the battery is between 12,9V and 14,4V it is considered as fully charged. The charging will automatically start again when the battery voltage drops below 12,9V.

• The error LED is lit

  Explanation: Reverse polarity.
  Test: Make sure that the + cable/clamp is connected to the + terminal and the – cable/clamp is connected to the – terminal.

MULTI XS 3600

• No LED is lit when the charger is connected only to the battery

  Explanation: The charger requires voltage from the battery for the Standby LED to be lit.
  Test: Connect the charger to a fresh battery.

• 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 is lit when the charger is connected to both the power outlet and the battery

  Explanation: The battery voltage could be under 2.2V.
  Test: Test against another battery that is fresh.

• The charger does not switch from into maintenance charging

  Explanation 1: Larger loads are connected to the battery at the same time.
  Test: Disconnect the loads from the battery and try to charge again.
  Explanation 2: Defective battery.
  Test: If possible, measure the voltage on the battery when the charging should be completed. If the voltage is under 14,1V the battery is most likely faulty.
  Test: Try the charger on another fresh battery.

• and is lit (flashing rapidly) simultaneously

  Explanation 1: Bad connection.
  Test: Move the clamps and make sure there is no loose connection in the quick connector, Comfort Connect.
  Explanation 2: The charger is working in the desulphation phase.
  Test: Leave the charger to charge for 24h (with some supervision). If the charger does not start charging (one of the LED’s are lit) within 24h the battery is in a very poor condition.

• switches to after the charge has been stopped

  Explanation: When the charger restarts the battery voltage is monitored. If the voltage is above 12,9V the charging will not commence. When the battery is between 12,9V and 14,4V it is seen as fully charged. The charging will automatically start again when the battery voltage drops below 12,9V.

• The charger goes into Standby mode after the power is cut and the charging does not start again

  Explanation: The charger will turn into Standby if the voltage in the battery is below 6V when the power is back on.
  Test: Start the charging again by pressing on the mode button.

• The error LED is lit

  Explanation: Reverse polarity.
  Test: Make sure that the + cable/clamp is connected to the + terminal and the – cable/clamp is connected to the – terminal.

Zafir 90

• No LED is lit when the charger is connected only to the battery

  Explanation: The charger requires voltage from the battery for the Standby LED to be lit.
  Test: Connect the charger to a fresh battery.

• 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 is lit when the charger is connected to both the power outlet and the battery

  Explanation: The battery voltage could be under 2.2V.
  Test: Test against another battery that is fresh.

• The charger does not switch from into maintenance charging

  Explanation 1: Larger loads are connected to the battery at the same time.
  Test: Disconnect the loads from the battery and try to charge again.
  Explanation 2: Defective battery.
  Test: If possible, measure the voltage on the battery when the charging should be complete. If the voltage is under 14,1V the battery is most likely faulty.
  Test: Try the charger on another fresh battery.

• and is lit (flashing rapidly) simultaneously

  Explanation 1: Bad connection.
  Test: Move the clamps and make sure there is no loose connection in the quick connector, Comfort Connect.
  Explanation 2: The charger is working in the desulphation phase.
  Test: Leave the charger to charge for 24h (with some supervision). If the charger does not start charging (one of the LED’s are lit) within 24h the battery is in a very poor condition.

• switches to after the charge has been stopped

  Explanation: When the charger restarts the battery voltage is monitored. If the voltage is above 12,9V the charging will not commence. When the battery is between 12,9V and 14,4V it is seen as fully charged. The charging will automatically start again when the battery voltage drops below 12,9V.

• The charger goes into Standby mode after the power is cut and the charging does not start again

  Explanation: The charger will turn into Standby if the voltage in the battery is below 6V when the power is back on.
  Test: Start the charging again by pressing on the mode button.

• The error LED is lit

  Explanation: Reverse polarity.
  Test: Make sure that the + cable/clamp is connected to the + terminal and the – cable/clamp is connected to the – terminal.

MULTI XS 7000

• 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 1,5V.
  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

  The analysis phase is testing if the battery can retain the charger given.
  Explanation 1: Large loads are connected to the battery and are draining the voltage.
  Test: Disconnect the battery and try charging again.
  Explanation 2: The battery cannot retain the charge given.
  Test: The battery needs replacing.

• The error LED is lit

  Explanation 1: Reverse polarity.
  Test: Make sure that the + cable/clamp is connected to the + terminal and the – cable/clamp is connected to the – terminal.
  Explanation 2: The clamps are short circuited.
  Explanation 3: For chargers of the older type the error mode is flashing when only the plug is connected.
  

MULTI XT 4000

• 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 2,5V.
  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 25,5V after 4h the charger will turn into error mode, because the voltage has not increased the way it should have done.
  Explanation 1: The battery is too large in relation to the charger capacity.
  Test: Make sure that the battery/batteries are not larger than the recommendations for Multi XT 4000 (100Ah).
  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 charging, 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 a defective cell in the battery.
  Test: Change the battery.

• is flashing, then turns

  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

  The analysis phase is testing if the battery can retain the charger given.
  Explanation 1: Large loads are connected to the battery and drains the voltage.
  Test: Disconnect the battery and try charging again.
  Explanation 2: The battery cannot retain the charger given.
  Test: The battery needs replacing.

• The error LED is lit

  Explanation 1: Reverse polarity.
  Test: Make sure that the + cable/clamp is connected to the + terminal and the – cable/clamp is connected to the – terminal.
  Explanation 2: The clamps are short circuited.
  Explanation 3: Loads are connected to the battery which requires more power than the charger can provide.
  Test: Turn off or disconnect the loads when charging.

MULTI XS 25000

• 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 bottom row are lit and you can change charging mode. None of the LED’s in the top row on is indicating charging status.
  Explanation: The battery voltage could be under 1,5V.
  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 the way it should have done.
  Explanation 1: The battery is too large in relation to the chargers capacity.
  Test: Make sure that the battery/batteries are not larger than the recommendations for XS 25000 / Multi XS 25000 (500Ah).
  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 charging, 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 a faulty cell in the battery.
  Test: Change the battery.

• is flashing, then turns

  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

  The analysis phase is testing if the battery can retain the charge given.
  Explanation 1: Large loads are connected to the battery and drain the voltage.
  Test: Disconnect the battery and try charging again.
  Explanation 2: The battery cannot retain the charge given.
  Test: The battery needs replacing.

• The error LED is lit

  Explanation 1: Reverse polarity.
  Test: Make sure that the + cable/clamp is connected to the + terminal and the – cable/clamp is connected to the – terminal.
  Explanation 2: Loads are connected to the battery which requires more power than the charger can provide.
  Test: Turn off or disconnect the loads when charging.
  Explanation 3: The clamps are short circuited in Supply mode.
  Test: Separate the clamps.

• Temperature LED is lit

  Explanation: DC interruption or short circuit in the cable.

MULTI XT 14000

• 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 in the bottom 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 bottom 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 7V.
  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 25,5V after 4h the charger will go into error mode, because the voltage has not increased the way it should have done.
  Explanation 1: The battery is too large in relation to the capacity of the chargers.
  Test: Make sure that the battery/batteries are not larger than the recommendations for XT 14000 / Multi XT 14000 (300Ah).
  Test: Try to restart the charger because the charger might need some 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 charging, 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 a defective cell in the battery.
  Test: Change the battery.

• is flashing, then turns

  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

  The analysis phase is testing if the battery can retain the charge given.
  Explanation 1: Large loads are connected to the battery and drain the voltage.
  Test: Disconnect the battery and try charging again.
  Explanation 2: The battery cannot retain the charge provided.

• The error LED is lit

  Explanation 1: Reverse polarity.
  Test: Make sure that the + cable/clamp is connected to the + terminal and the – cable/clamp is connected to the – terminal.
  Explanation 2: Loads are connected to the battery which requires more power than the charger can provide.
  Test: Turn off or disconnect the loads when charging.

• Temperature LED is lit

  Explanation: DC interruption or short circuit in the cable.