CTEK MXS 5.0 Faq page 5

My charger never reaches the final step. Is my charger
faulty?
No. The charger is not faulty. The final step is a maintenance program. The charger has two
maintenance levels:
FLOAT: This shows that the battery is fully charged, and the charger maintains the full charge by
supplying ~13.6V and minimum current for approximately 10 days.
PULSE: After 10 days, the charger reaches the final step which is the 'PULSE' program for long-term
maintenance. The charger monitors the battery voltage and depending on the situation, pulses up
the voltage when needed to optimise battery health and performance.
My charger only reaches step 4, is it faulty?
"No. This step can take longer compared to other steps in the charge process. The step is called
'ABSORPTION' which completes the charge from 80% up to 100%. During this process, the supplied
current is gradually reduced, and the charging rate is reduced to optimise battery health and
performance. The charger can be in step 4 for up to 8 hours, and in steps 1-4 for up to 36 hours."
The error lamp is lit! Is the charger faulty?
Check the user manual for details on light patterns. This could indicate a problem with the battery.
CTEK recommend getting the battery tested - it may need replacing. Try to charge another battery
where possible to exclude charger fault. Check the user manual for details on light patterns. This
could indicate a problem with the battery. CTEK recommend getting the battery tested - it may need
replacing.
Try to charge another battery where possible to exclude charger fault.
Nothing happens when I connect my charger to a mains
socket, is the charger faulty?
Connect the charger to a different mains socket. If the problem persists, please contact the dealer,
the charger may need replacing.
The charger will not turn on, only the green power lamp
is flashing. Is the charger faulty?
Flashing power lamp is an indication that the charger has not established- or has lost- the
connection with the battery.
CTEK chargers need counter voltage to establish connection and start/or continue charging.
1. If the connection fails between the charger and the battery, the charging does not start.
2. If the battery is totally flat (under 2 V) the battery is not recognized, and charging will not
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