CTEK MXT 4.0 Troubleshooting Guide

Trouble Shooting Guide 9
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.

CTEK MXT 4.0 Specifications

General

Power source type	DC
Number of batteries supported	-
Product color	Blue, Silver
Input voltage	220-240 V
Input frequency	50/60 Hz
Battery voltage	2 V
Operating temperature (T-T)	-20 - 50 °C
Quantity per pack	1 pc(s)

Weight and Dimensions

Depth	191 mm
Width	89 mm
Height	48 mm
Weight	800 g