Toyotomi TGS-28FWCA Owner's Manual page 23

Wired Remote Controller Operation Procedure
When controller displaying malfunction, please turn off the unit to stop displaying and has it repaired by specialized
personnel.
The meaning of malfunction code is as following：
Malfunction code
E1
E2
E3
E4
E5
E6
E7
F0
F1
F2
F3
F4
F5
F6
F7
F8
F9
FA
Fb
Fc
Fd
High pressure protection of compressor
Indoor anti-frozen protection
Low pressure protection of compressor
Discharge temp. protection of compressor
Compressor overload protection
Transmit malfunction
Modes conflict
Indoor environment temp. sensor mal-function
Indoor pan tube inlet tube temp. sensor malfunction
Indoor pan tube middle temp. sensor malfunction
Indoor pane tube outlet tube temp. sensor malfunction
Outdoor environment temp. sensor malfunction
Outdoor pan tube inlet tube temp. sensor malfunction
Outdoor pan tube middle temp. sensor malfunction
Outdoor pan tube outlet tube temp. sensor malfunction
Discharge temp. sensor 1 (rated frequency) malfunction
Discharge temp. sensor 2 (digital) malfunction
Greasy temp. sensor 1 (rated frequency) malfunction
Greasy temp. sensor 2 (digital) malfunction
High pressure sensor malfunction
Low pressure sensor malfunction
Malfunction
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