20
Display
Description
Error F7:
The vehicle demands a charging procedure with ventilation.
The LED flashes red once and then blue twice.
Solution:
The Wallbox automatically reinitiates the charging procedure every 60 seconds. If the error continues to occur,
please contact your local Mercedes-Benz technical support. Charging vehicles that require ventilation during the charging
procedure is not possible with the Mercedes-Benz Wallbox Home.
Display
Description
Error F8:
A short circuit has been detected between the pilot contact
CP and the protective earth PE, or the communication interface of the
vehicle is faulty.
The LED flashes red once and then green twice.
Solution:
The Wallbox automatically reinitiates the charging procedure every 60 seconds. If the error continues to occur,
check the charging cable for external damage. If the cable does not show signs of damage, the vehicle and the Wallbox must
be checked: Please contact your local Mercedes-Benz technical support.
Display
Description
Error F9:
The electrical current monitoring module has detected that
the charging current is exceeding the preset maximum current.
The LED flashes red once, green three times
and then yellow once.
Solution:
The Wallbox automatically reinitiates the charging procedure every 60 seconds. If the error continues to occur, the
vehicle and the Wallbox must be checked: Contact your local Mercedes-Benz technical support.
Display
Description
Error F10:
The temperature monitor has detected a temperature above
80° Celsius inside the housing.
The LED flashes red once, green twice and then
yellow twice.
Solution:
The temperature monitor interrupts the charging procedure.
•
After 10 minutes, the charging procedure is automatically reinitiated if the temperature inside the housing has fallen to
below 70° Celsius.
•
The charging procedure is reinitiated immediately as soon as the temperature inside the housing falls to below 60° Celsius.
If the error repeats or persists, the Wallbox must be cooled and/or shaded more effectively at the installation site. If the error
repeats or persists, the Wallbox must be checked and replaced if required: Contact your local Mercedes-Benz technical support.
Display
Description
Error F11:
The contactor inside the Wallbox doesn't close.
The LED flashes red once, green once and then
yellow three times.
Solution:
The Wallbox automatically reinitiates the charging procedure every 60 seconds. If the error occurs for a second
time, the charging procedure is reinitiated after 10 minutes. If this error repeats or persists further, an internal malfunction
has occurred and the Wallbox must be replaced. Take the Wallbox out of operation (see “Taking the product out of and back
into operation” on page 22) and switch off the upstream MCB. Contact your local Mercedes-Benz technical support.
