Troubleshooting
Fault
The display does not
respond to keystrokes.
The app cannot
control the device.
The display shows an
alert message or
warning code.
Alert messages
fig. o A, page 16.
E.g. see
Alert message
Description
!ALERT - Lid open
Lid open more
> 3 min
than 3 minutes
!ALERT - Voltage
The device has
low
stopped working
on DC due to low
voltage
The device has
stopped working
on DC due to
abnormally high
voltage >31.5 V
(unlikely event –
for electronics
protection only –
uses same alert
message as low
voltage above)
36
Possible cause
The display is locked.
Bluetooth or WiFi is not
connected.
–
Possible cause
•
Lid not fully
latched
•
Internal fault
•
Insufficient supply
voltage
•
Battery voltage is
too low
•
Battery protec-
tion is set too high
•
Wrong DC supply
voltage
specification
•
Faulty supply
voltage
•
Internal fault
Suggested remedy
Unlock the display, see chapter "Lock-
ing/unlocking the display" on page 29.
Connect Bluetooth, see chapter "Set-
ting the Bluetooth signal and connecting
to the app" on page 32, or Connect
WiFi, see chapter "Setting the WiFi sig-
nal and connecting to the app" on
page 32.
See table below.
Suggested remedy
•
Check lid latched fully
•
Authorised repair centre
inspection required
•
Check voltage drop
from battery to power
outlet and increase wir-
ing gauge if necessary
•
Test the battery and
charge as needed
•
Select a lower battery
protection setting
•
Ensure DC supply
voltage specification
matches CFX3 product
rating label
•
Check DC voltage
supply & repair or
replace if faulty
•
Authorised repair centre
inspection required
CFX3
EN