632
Failure code on
wired controller
(hex)
PCB LED5(Indoor
Units)/ Receiver
Timer Lamp(Remote
Controller)
Panel
display
Fault Descriptions
01 1 01 Fault of indoor unit ambient temp. transducer TA
02 2 02 Fault of indoor unit pipe temp. transducer TC1
03 3 03 Fault of indoor unit pipe temp. transducer TC2
04 4 04 Fault of indoor unit dual heat source temp. transducer
05 5 05 Fault of indoor unit EEPROM
06 6 06 Fault of communication between indoor & outdoor units
07 7 07 Fault of communication between indoor unit and wired control
08 8 08 Fault of indoor unit water drainage
09 9 09 Fault of duplicate indoor unit address
0C 12 12 Indoor unit 50Hz Zero-crossing failure
0E 14 14 Fault of DC fan
12 18 18 The 4-way valve of 3-pipe valve box reversing failure
14 20 20 Outdoor failure code
One-way cassette (AB*2MAERA) failure code
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