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TEST RUN AND FAULT CODE
INDOOR UNIT FAULTS
Failure Code at Wired
Controller
01
02
03
04
05
06
07
08
09
0A
0C
0E
Outdoor unit code
31-5000755 Rev. 0
PCB LED5 (indoor Units) /
Receiver Timer Lamp (Remote
Controller)
1
2
3
4
5
6
7
8
9
10
12
14
20
Fault Descriptions
Fault of indoor unit ambient temp. sensor TA
Fault of indoor unit pipe temp. sensor TC1
Fault of indoor unit pipe temp. sensor TC2
Fault of indoor unit dual heat source temp. sensor
Fault of indoor unit EEPROM
Fault of communication between indoor & outdoor units
Fault of communication between indoor unit and wired control
Fault of indoor unit water drainage
Fault of duplicate indoor unit address
Reserve
Fault of zero crossing
Fault of DC fan
Corresponding faults of outdoor units
33
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