Coolbox FC75, Manual

Page: 21 / 26

Fault Description Possible cause
Suggested
remedy
The inner
light flashes-
!ALERT-Lid
open>3 min
Open the door
for more than
3 minutes
The door is not
closed tightly, or
you forget to
close the door.
Close the cover
Others
Inspection by
authorized repair
center
F2 reminder-
low voltage
Due to the low
DC voltage,
the equipment
has stopped
working
Insufficient
power supply
voltage
Check the voltage
drop from the
power supply to the
outlet of this
product, and
increase the
voltage if
necessary.
Battery voltage
is too low
Test the battery
and charge as
needed
The battery
protection
function is set
too high
Choose a lower
battery protection
gear
Because the
DC voltage is
too high
(greater than
31.5V), the
device is
protected
against power
failure.
DC power supply
voltage
parameters do
not match
Ensure that the
power supply
voltage parameters
match the
equipment.
Abnormal power
supply
Check the DC
power supply,
repair or replace
the power supply if
necessary
others
Authorized
maintenance
center inspection
Remind Message
18