Carrier XCT Series Installation And Owner's Manual page 30

Test Run & Fault Code
Measures to rectify faults
If any fault appears, refer to the fault code of line control or the flashing times for LED5 of computer panel of indoor
units/health lamp of receiving window of remote control and find out the faults as shown in the following table to remove
the faults.
Indoor Unit Faults
Wired Controller Fault Code
01
02
03
04
05
06
07
08
09
0A
0C
Outdoor Unit Code
PCB LED5(Indoor Units)/
Receiving Window Health
Lamp (Remote Controller)
1
2
3
4
5
6
7
8
9
10
12
20
Fault Descriptions
Fault of indoor unit ambient temp. transducer TA
Fault of indoor unit pipe temp. transducer TC1
Fault of indoor unit pipe temp. transducer TC2
Fault of indoor unit dual heat source temp. transducer
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
Fault of duplicate central control address
Fault of above zero , 50Hz
Corresponding faults of outdoor units
22