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Problem
Code F2 is on
the display
panel
Code F3 is on
the display
panel
Code F4 is on
the display
panel
Code F5 is on
the display
panel
Code F6 is on
the display
panel
Code F7&F8 are
on the display
panel
Possible Causes and Solution
• This is the protection mode for an overloaded fan.
Turn the electric cooler off and restart it after 30mins.
• This is the protection mode for a frequently restarted
compressor. Turn the electric cooler off and restart it
after 30 minutes.
• This is the protection mode for and overloaded
compressor that is working at a low speed. Please turn
it off and restart it after 30 minutes.
• This is warning code for an overheated compressor
module. Move the electric cooler to a ventilated area,
turn it off and restart it after 30mins.
• This warning code means no parameter can be
detected by the controller. Restart the electric cooler.
If this code shows again, please contact after-sale
department.
• This is the error code for temperature sensor. Please
contact customer service for more details.
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