CTEK XS 0.8 Troubleshooting Manual page 4

Explanation: Reverse polarity.
Test: Make sure that the + cable/clamp is connected to the + terminal and the
– cable/clamp is connected to the – terminal.
MXS 3.6, MULTI XS 3600, Zafir 45, M45
No LED is lit when the charger is connected only to the battery
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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
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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
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battery
Explanation: The battery voltage could be under 2±0.5V.
Test: Test against another battery that is fresh.
The charger does not switch from
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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
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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
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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.
Trouble Shooting Guide
after the charge has been stopped
into maintenance charging
4