Error Messages And Warnings - GRAUPNER ULTRA TWIN 40 Bedienungsanleitung

The charger incorporates a wide range of protective and monitoring systems designed to check the charger's functions and monitor the state of its
electronics. If any of the unit's limit values are exceeded the following displays appears or the charge process is switched off (e.g. car battery almost fl at).
The warning message and the audible warning signal can be switched off by pressing any of the 3 buttons.
Manual ULTRA TWIN 40

15. Error messages and warnings

If the voltage of the car battery or the mains PSU falls below 11 V or exceeds 15 V D.C., this warning message ap-
pears, accompanied by a warning sound.
If START is pressed when there is no battery connected to the unit's charge sockets, this warning message appears.
Connect the battery and start the charge process.
If a battery is connected to the unit's charge sockets with incorrect polarity, this warning message appears. Connect
the battery with correct polarity, and start the charge process.
If the charger detects an interruption in the connection between battery and charger during a charge process, this
warning message appears.
Note: this error message also appears if you interrupt the charge process, e.g. by disconnecting the charge lead.
If the internal charge safety timer has elapsed, in the interests of safety the current process is halted.
The safety timer is set permanently to 90 minutes; this setting cannot be changed.
If the unit detects a malfunction during the charge process, this error message appears. Attempt to re-start the charge
process: if this does not work, disconnect the battery, then disconnect the charger from its power supply, and send it
to your nearest Graupner Service Centre.
Calibration error: please send the charger to your nearest Graupner Service Centre.
If the charger detects too high or too low a voltage when connected to a LiXX battery, this error message appears.
Check the battery type setting, and correct if necessary.
If a LiXX battery is connected to the balancer output and the charger detects a cell voltage which does not match the
battery type, this error message appears. Check the battery type setting, and correct if necessary.
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