11
TROUBLESHOOTING
The Error codes are depicted by a number on the LCD display.
Fault code
Reason
Solution
Power
indicator
light is not
on, fridge/
freezer does
not work
No power input
Check the input
power. In most
vehicles the engine
must be on to
apply current to the
cigarette lighter
Fuse burnt
Change the fuse
Vehicle-mounted
fuse burnt
Refer to vehicle
operating manual to
change the fuse
Cigarette lighter
socket does not
connect well
Clean cigarette
lighter socket or
check whether plug
connects correctly
Error code
Er1 or Er2
Temperature sensor
broken
Repair at appointed
maintenance centre
Temperature
control
failure
Temperature sensor
broken
Under Emergency
mode
Slide to NORMAL
USE mode
LCD display
the error
code
Er1: Battery protector
stop working (voltage
lower than setting
range)
Check if the power
supply matches the
setting level of the
battery protector
Er2: Fan over-current Repair at appointed
maintenance centre
Er3: Compressor
motor start failure
Will eliminate
automatically after
the system pressure
balances
Er4: Less than the
minimum speed of
compressor’s motor
Er5: Electronic
controller overheat
Place the fridge in a
well-ventilated place,
turn it off for 30
minutes and restart.
If an Error indicator light blinks, the compressor will restart
every 60 seconds until it starts successfully.
Under EMERGENCY MODE, if the Error indicator light blinks
every 4 seconds, it means that input voltage is lower than
lowest starting voltage, you need to charge your battery.