Troubleshooting CFX3
34
9 Troubleshooting
Fault Possible cause Suggested remedy
The device does not
function (DC mode,
ignition on).
No voltage was
detected in the
DC power outlet.
In most vehicles the ignition must be
turned on before power will be supplied
to the DC power outlet.
The DC outlet is dirty.
This results in a poor
electrical contact.
If the plug of the device becomes very
warm in the DC outlet, either the
DC outlet must be cleaned or the plug
has not been assembled correctly.
The fuse of the DC plug
has blown.
Replace the fuse in the DC plug, see
chapter “Replacing the DC plug fuse” on
page 33.
The device DC fuse has
blown.
Replace the device DC fuse, see chapter
“Replacing the DC fuse” on page 32.
The vehicle fuse has
blown.
Replace the vehicle’s DC outlet fuse.
Please refer to your vehicle’s operating
manual.
The device does not
function (AC mode).
No voltage present in
the AC voltage socket.
Try using another plug socket.
The device AC fuse has
blown.
Replace the device AC fuse, see chapter
“Replacing the AC fuse” on page 32.
The integrated AC
adapter is defective.
This can only be repaired by an
authorised repair centre.
The display does not
respond to keystrokes.
The display is locked. Unlock the display, see chapter “Lock-
ing/unlocking the display” on page 27.
The app cannot con-
trol the device.
Bluetooth or WiFi is not
connected.
Connect Bluetooth, see chapter “Set-
ting the Bluetooth signal and connecting
to the app” on page 30, or Connect
WiFi, see chapter “Setting the WiFi sig-
nal and connecting to the app” on
page 30.
The display shows an
alert message or
warning code.
– See table below.
CFX3_OPM_EMEA.book Seite 34 Montag, 3. Februar 2020 5:41 17