15
Mercedes-Benz Wallbox
| Error detection and solutions
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Description
Error F8:
A short circuit has been detected between the
pilot contact CP and the protective earth PE or the commu-
nication interface of the vehicle is faulty.
The green LED flashes twice, the blue LED is OFF, the red
LED is continuously ON.
Solution:
The wallbox automatically reinitiates the charging procedure every 60 seconds: If the error continues to occur,
check the Mode 3 charging cable. If the cable does not show signs of damage, the vehicle must be checked: Please contact a
qualified specialist repairer.
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Description
Error F9:
The electrical current monitoring module has
detected that the charging current is exceeding the preset
maximum current.
The green LED flashes four times, every fourth time the blue
LED also flashes, the red LED is continuously ON.
Solution:
The wallbox automatically reinitiates the charging procedure every 60 seconds: If the error continues to occur, the
Mode 3 charging cable or the vehicle must be checked: Please contact a qualified specialist repairer.
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Description
Error F10:
The temperature monitor has detected a tem-
perature above 80° Celsius inside the housing.
The green LED flashes four times, the blue LED also flashes
every third and fourth time and the red LED is continuously
ON.
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
continues to occur, the vehicle must be checked: Please contact a qualified specialist repairer.
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Description
Error F16:
Data transfer to the integrated electrical current
monitor is disrupted. The maximum charging current is
limited to 10 A while this error occurs.
The blue and the green LED are continuously ON, the red
LED flashes twice.
Solution:
Charging operations can continue, but the charging output will be reduced. If the error repeats or occurs perma-
nently, take the wallbox out of operation (see “Taking the product out of and back into operation” on page 20) and contact
your local Mercedes-Benz technical support.
