Atlantic 024122 - Faults in the Outdoor Unit

11.2 Faults in the outdoor unit
Error
Interface Board
Outdoor Unit
Board
Error designation
LED
Green
LED
Red
LED
11 1 1
O󰀨
Serial communication error
1
32 3 2 - UART communications error
42 4 2 22 Hydraulic unit heat-exchange thermistor error
63 6 3 18 Inverter error
64 6 4 19 Active lter error, PFC error
71 7 1 2 Discharge thermistor error
72 7 2 8 Compressor thermistor error
73 7 3
5 Heat-exchange thermistor error (center)
4 Heat-exchange thermistor error (outlet)
74 7 4 7 Outdoor thermistor error
77 7 7
9 Heat sink thermistor error (inverter)
10 Heat sink thermistor error (P.F.C.)
78 7 8 6 Expansion valve thermistor error
84 8 4 - Current sensor error
86 8 6 3 Pressure sensor error / Pressure switch error
94 9 4 13 Current tripped
95 9 5 15 Compressor motor control error
97 9 7
16
Outdoor unit fan motor error
17
A1 10 1 11 Discharge temperature 1 protection
A3 10 3 12 Compressor temperature protection
A5 10 5 20 Low pressure abnormal
- - - - Outdoor unit error
Installation and Operating Manual "1821- EN" - 75 -
Alféa Extensa Duo A.I. Heat Pump