Outdoor Unit Error Display; For 9K-24K Outdoor Unit; For 36K-48K Outdoor Unit - Carrier 40QSM009DS Service Manual

16.2 Outdoor unit error display

For 18K-24K outdoor unit:
No. Problems
1 standby for normal
2 Operation normally
3 Compressor drive board EEPROM error
4 IPM malfunction or IGBT over-strong current protection
5 Over voltage or too low voltage protection
6 Inverter compressor drive error
7 Inverter compressor drive error
Communication malfunction between main control board
8
and driver board
For 36K-60K Outdoor Unit
No
1 Communication malfunction between indoor and outdoor units
2 Current overload protection
3 Outdoor ambient temperature sensor (T4 ) malfunction
4 Condenser coil temperature sensor (T3) malfunction
5 Compressor discharge temperature sensor (T5) malfunction
6 Outdoor unit EEPROM parameter error
7 Outdoor fan speed malfunction
8
Inverter module (IPM) malfunction
9 Over-voltage or under-voltage protection
10 Compressor top high temperature protection (OLP)
11
Low ambient temperature cut off in heating
12 Compressor drive malfunction
13 High temperature protection of indoor coil in heating
14 Outdoor temperature protection of outdoor coil in cooling
15 Temperature protection of compressor discharge
16 PFC module protection
17 Communication malfunction between control board and IPM board
18 High pressure protection
19 Low pressure protection
20
Outdoor IPM module temperature sensor malfunction
21 AC voltage protection
Problems
88
LED2 LED1
(Green) (Red)
O X
X O
☆
O
☆
X
O O
☆
X
☆
O
☆ ☆
Error Code
E1
F0
F1
F2
F3
F4
F5
P0
P1
P2
P3
P4
J0
J1
J2
J3
J4
J5
J6
P7
J8
IU display
E5
P0
P1
P4
P4
P4