Operating Guide
10
BASIC TROUBLESHOOTING
The most common issues experienced by Cooluli users are caused by voltage incompatibility. 
T
he following issues give an overview of possible errors and instructions of how to check the 
u
nit. 
Concern 
Possible Reason 
Check 
Blinking green light in the back 
of unit. 
Unit fan not rotating. 
Contact Customer Support for 
assistance. Consult this 
Instruction Manual or go to 
info@cooluli.com for contact 
information. 
Fan making a loud noise. 
Check for fan obstruction or 
failure. 
Check the back to see if there is 
at least a 2-inch clearance 
around fan and vents. If issue 
persists, contact Customer 
Support. 
Unit doesn’t cool contents as 
advertised. 
Most Cooluli units cool contents 
down anywhere from 35°– 40°F 
below ambient temperature. 
Consult your unit’s specific 
cooling information found in this 
Instruction Manual. If cooling 
temperature is significantly less 
than what is listed for your unit, 
contact Customer Support. 
Unit not cooling and lights off in 
back. 
Unit stopped working. 
Main power source failure. 
Check outlets first. 
If unit not turning on in your 
home/office: Try plugging the 
unit into your car using the 
included DC power cord. 
If unit not turning on in your 
car/motor vehicle: Try plugging 
the unit into a 100-240 volt 
outlet in your home/office using 
the included AC power cord. 
If issue persists, contact 
Customer Support.  
Ice is building inside the unit, 
around the center screws in the 
back. 
Water collecting at bottom of 
unit. 
Water drip or leakage. 
Check that the door is clean and 
free from obstruction and is 
closed securely.   
Water condensation. It is normal 
for thermoelectric units, while in 
cooling mode, to produce water 
droplets that may freeze in the 
back and then melt. 
Water condensation is normal in 
thermoelectric units. Check if 
water accumulation is due to 
condensation. 
While the unit is off and at room 
temperature, take a soft cloth 
and gently wipe down the inside 
of your unit to remove any 
moisture that may accumulate. 
This is recommended once or 
twice a week. 
If issue persists, contact 
Customer Support for further 
assistance. 










