111 / EN
Service
Outdoor unit errors
Error Description NO RESET RESET
Volatile User reset HP Power
OFF
Service reset
1 TD sensor error - X - -
905 HP compressor mismatch error - - X -
906 HP fan mismatch error - - X -
907 HP 4-way valve mismatch error - - X -
908 Expansion valve mismatch error - - X -
909 HP zero fan speed - - X -
910 Inverter-TDM communication error X - - -
912 4-way valve error - - - X
913 LWT sensor error X - - -
914 TR sensor error X - - -
917 Freeze error - - - X
918 Pump down error - - - X
922 Freeze error - X - -
931 Inverter error X - - -
947 4-way valve error - X - -
956 HP compressor model mismatch - - X -
957 HP fan model mismatch - - X -
960 HP EWT sensor error X - - -
962 Defrost energy X - - -
968 ATGBUS TDM-EM communication error X - - -
989 Machine empty error - - - X
997 Compressor overcurrent - - X -
998 Compressor overcurrent - - - X
9E5 High-pressure pressure switch intervention X - - -
9E8 Low-pressure pressure switch error with com-
pressor OFF
X - - -
9E9 Klixon error with compressor OFF X - - -
9E18 ST1 safety thermostat error X - - -
9E21 Low refrigerant charge error - X - -
9E22 Machine empty error - - - X
9E24 EXV seized up error - X - -
9E25 EXV seized up error - - - X
9E28 High pressure protection - X - -
9E29 High pressure protection - - - X
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