21
Malfunction Codes
If you unit displays one of the following codes, please contact
and let us know your Malfunction Code from the display
screen. Please fill out the product registration form on our site for faster service.
Malfunction
Code on Unit
Malfunction
Name
Symptoms
Solution
F1/F2/F4
E2
E8
H3
F0
Refrigerant
Lacking
Protection
System
Overload
Protection
Overload
Malfunction
Antifreeze
Protection
Temperature
sensor
Compressor stops
operation, but the
fan continues to
operate
In Cool, Energy-
Saving, or Dry
modes: the
compressor stops
operating but fan
continues to run
Indoor fan operates
while compressor,
outdoor fan, and
water condensation
tray stop operation.
Compressor stops
operation, but the
fan continues to
operate
Compressor stops
operation, but the
fan continues to
operate
Remove from power
source for a few minutes
to reset the unit. Plug the
unit back in to determine
if the Malfunction Code
is still present.
If that doesn’t work,
contact TOSOT support
via email at