Troubleshooting Guide

Troubleshooting
Fault
Possible cause
Suggested remedy
Power indicator light is not
on, refrigerator
does not work.
No power input.
Check whether input power
is matching or not; The
ignition must be switched
on in most vehicles to apply
current to the cigarette
lighter.
Refrigerator fuse burnt.
Change fuse.
Vehicle-mounted fuse burnt.
Refer to vehicle operating
manual to change fuse.
Cigarette lighter socket
does not connect well.
Clean cigarette lighter
socket or check whether
plug connects correctly.
Digital display shows Err1 or
Err2.
Temperature sensor broken
Repair it to appointed
maintenance center.
Digital display shows Err1 or
Err3
Input power is too low(Low
voltage protection)
Check power supply and
connecting wire; if power
supply by battery, then need
to change or charge battery.
The device does not cool
(plug is inserted, “POWER”
LED flashes orange, display
is switched off).
Battery voltage is too low.
Test the battery and charge
it as needed.
Temperature control.
Temperature transmitter
broken.
Send to appointed
maintenance center for
repair.
Emergency mode.
Slide the emergency switch
to normal mode.
Error indicator light blinks.
Compressor operating
trouble.
It will eliminate
automatically after
restarting compressor; if
compressor can’t restart for
a long time, send to
appointed maintenance
center for repair.
If Error indicator light blinks, the compressor will restart every 60 seconds until it
starts successfully.
Under Emergency Mode, If Error indicator light blink every 4 seconds, it means that input
voltage is lower than lowest starting voltage, you need charge your battery.