Würth 0510 955 710 - Troubleshooting Common Malfunctions; Malfunction Causes and Remedies

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Malfunctions Causes Remedies
« #fehler [fault] (+)<-->(-) »
+ Warning signal
Reverse (incorrect) connection of the battery
terminals
Connect the red clamp to the (+) terminal and the black clamp to the (-)
terminal of the battery.
« #fehler U>Umax » [#fault
U>Umax] + Warning signal
The battery voltage is too high! Charger is not suitable for the battery (24 V instead of 12 V).
« #Batterie-Fehler »
[#Battery fault] + Warning
signal
The battery has a short-circuit or is damaged Change battery.
The battery is not connected or the terminals
are short-circuited.
Check the connection of the battery terminals.
A 6 V battery is connected. The charger is incompatible.
« >100A » + Warning signal A too large consumer is switched on. Switch the consumer o.
The device supplies a too high
charging current (greater than
10 A). No diagnostics mode is
possible during charging.
Lots of consumers are switched on in the
vehicle.
Ensure that all consumers are switched o/disconnected to check whether the
battery is not overly discharged (cause no. 2).
Battery discharged When your battery is deeply discharged, the device supplies a charging
current that enables recharging. Please wait until the charging current drops
below 10 A so that you can start vehicle diagnostics.
« no battery » + Warning signal "Showroom" mode is active
« no battery ».
"Showroom" without battery: normal use of the device. To deactivate the
function « no battery », press START/STOP, then press the START/STOP button
again to start "Showroom" mode with the battery.
"Showroom" mode is blocked. "Lock Showroom" is activated. Normal function of the device. Go to Settings to deactivate the function.
« #fehler T(°C) » [fault T(°C)]
+ Warning signal
Faulty fan Contact your dealer or the manufacturer.
The device has been left in the sun for too
long.
Do not leave the device in the sun for too long. Leave the device switched on
until the warning message goes o (the warning signal can be deactivated by
pressing the START/STOP button).
« #fehler IHM » [IHM fault]
+ Warning signal
Fault in the electronics Contact your dealer or the manufacturer.
« #fehler fuse » [fuse fault]
+ Warning signal
Incorrect handling Arrange for the fuse to be replaced by a qualied person.
The display does not indicate
anything.
Input fuse defective Arrange for the input fuse to be replaced by a qualied person
(fuse 10 A 5x20).
Incorrect mains voltage Check whether the mains voltage is between 180 and 260 V.