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20V Battery Powered & Electric Cooler
EN
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9. TOUBLESHOOTING
Problem
Reasons/Suggestions
Cooler does not work
1. Check if the ON/OFF switch is on;
2. Check if connected to a power source or batteries
are installed;
3. Check if the fuse is burnt;
4. Ensure power supply is functioning correctly;
5. Do not switch on/off the cooler frequently as it may
cause start delay of the compressor.
Objects are frozen in the cooler
The temperature is set too low
Cooler storage box is abnormally warm
1. The cooler has stored a large amount of warm or
hot food recently;
2. The cooler lid is opened frequently;
3. The cooler has been cut off power for a long time
Water flow noise from the cooler inside
This is normal and comes from the compressor
inside.
Water drops around the cooler lid
It is normal that the moisture will condense to water
when it touches a cold surface of the cooler
The compressor is slightly noisy when running
No need to worry because the noise will be reduced
after the compressor is stably running.
Code F1 shown
Possible reasons: low voltage
Adjust the battery protection mode from High to
Medium or from Medium to Low
Code F2 shown
Possible reasons:condenser fan is overloaded
Cut the power off for five minutes and re-start
If the code shows again, please contact manufacturer
for help.
Code F3 shown
Possible reasons: the compressor is starting too
frequently.
Cut the power off for five minutes and re-start
If the code shows again, please contact manufacturer
for help.
Code F4 shown
Possible reasons: compressor not kicking in
Cut the power off for five minutes and re-start
If the code shows again, please contact manufacturer
for help.
Code F5 shown
Possible reasons: overheating of the compressor &
electronics.
Cut the power off for five minutes and re-start
If the code shows again, please contact manufacturer
for help.
Code F6 shown
Possible reasons: no parameter can be detected by
the controller.
Cut the power off for five minutes and re-start
If the code shows again, please contact manufacturer
for help.
Code F7 shown
Possible reasons: temperature sensor is faulty.
Contact manufacturer for help.
