Carrier XCT7 Installations- Und Benutzerhandbuch Seite 36

Failure codes
In case of no failure, if the start-up conditions of the system are not met, the digital tube of the outdoor unit
will display the standby code of the air conditioner:
555.0 Standby s tate of capacity
over- matched
555.1 Heating at high ambient temp.
555.3 Cooling at ambient temp. too high or
too low
The running mode of outdoor unit
does not match with the indoor units.
555.b
Indoor failure code list
Indication
on wired
Indication on
controller
mas ter unit
01 01
02 02
03 03
04 04
05 05
06 06
07 07
08 08
09 09
0A 0A
Outdoor Outdoor
failure code failure code
The ratio of indoor capacity to out- door
capacity is over 130%.
Ta>27°C, the indoor units are on s tandby
when they are running in heating mode.
Ta>54°C or Ta<-10°C, the indoor units are
on s tandby when they are running in cooling
mode.
The outdoor unit may be set to cooling only
or heating only.
Flash times of LED5 on
indoor PCB/timer LED
on remote receiver
1
2
3
4
5
6
7
8
9
10
20
29
Failure code definition
Indoor ambient temp. sensor Ta failure
Indoor coil temp. sensor Tc1 failure
Indoor coil temp. sensor Tc2 failure
Indoor TW sensor failure
Indoor EEPROM failure
Failure in communication between indoor and outdoor
units
Failure in communication between indoor and wired
controller
Indoor drainage failure
Indoor repeated address
Indoor repeated central control address
Outdoor corresponding failure
Resumable