8/7/2019 CTEK MUS7002 Troubleshooting Guide

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roubleshooting Guide

SmarterCharger.com

or C EK MUL I US 7002 (pt# 56-353)No LED is lit when the charger is connected only to the battery

Explanation: Te plug has to be connected or the LEDs to be lit.No LED is lit when the charger is connected only to the power outletExplanation: One o the LEDs at the lower row should light up when the charger is connected to the poweroutlet.

est: Make sure that there is power rom the power outlet. I the charger is still not lit the charger can be aulty.

No LEDs are lit on the top row when the charger is connected to both the power outlet and the battery Te LEDs on the lowest row are lit and you can change charging mode. None o the LEDs the top row on isindicating charging status. Explanation: Te battery voltage could be under 1,5V.

est: ry to charge the battery in Supply mode or approximately 5 min. Ten try regular charging.est: est the charger on a resh battery. I nothing happens the charger may be aulty.

is lit or 4 hours and then turns into error modeI the battery voltage is not above 12,5V a er 4h the charger will turn into error mode, because the voltage hasnot increased in the way it should have done. Explanation 1: Te battery is too large in relation to the capacity o the charger.

est: Make sure that the battery/batteries size is not larger than the recommendations or Multi XS 7000(150Ah).

est: ry to restart the charger because the charger might need more time to charge the battery.Explanation 2: Larger loads are connected to the battery

est: Disconnect the battery and try to charge it without the loads.est: ry to restart the charger because the charger might need more time to charge the battery.

Explanation 3: I the battery is warm and/or is boiling heavily during the charging, it is most likely due to a de-ective cell in the battery.est: Change the battery

is fashing or 4 hours, then turns into error modeExplanation: Te battery is probably too sulphated to revive. Te battery is aulty and it is time to change it.

is lit and then turns into error modeTe analysis phase is testing i the battery can retain the charger given. Explanation 1: Large loads are connectedto the battery and are draining the voltage

est: Disconnect the battery and try charging again.Explanation 2: Te battery cannot retain the charge given.

est: Te battery needs replacing.

Te error LED is lit

Explanation 1: Reverse polarity est: Make sure that the + cable/clamp is connected to the + terminal and the cable/clamp is connected to the terminal.Explanation 2: Te clamps are short circuitedExplanation 3: For chargers o the older type the error mode is fashing when only the plug is connected.