Haier HSU-09H03/R(DB) [76/131] Error codes and description indoor display

Haier HSU-12H03/R(DB) [76/131] Error codes and description indoor display
7.4.Error Codes and Description indoor display
Code Indication Description
Reference page
E1 Room temperature sensor failure
E2 Heat-exchange sensor failure
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Indoor
unit
E14 Indoor fan motor malfunction
F1 The protection of IPM
F3 Communication fault between the IPM and
outdoor PCB
F4 Overheat protection for exhaust temperature
F6 Ambient temperature sensor failure
F7 Suction temperature sensor failure
F21 Frost-removing temperature sensor failure
Outdoor
unit
F25 Exhaust temperature sensor failure
E7 Communication fault between the indoor and
outdoor units
System
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The code indication that is listed above is the main fault
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09,12H03 /R(DB)
System Diagnosis
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