Troubleshooting - Carrier Super Inverter Series Service Manual

16 Troubleshooting

16.1 Indoor unit error code explanation:
For 15C/Cassette
Indoor EEPROM malfunction
Communication malfunction between indoor and outdoor units
Indoor fan speed has been out of control
Open or short circuit of T1 temperature sensor
Open or short circuit of T2 temperature sensor
Water level alarm
Overcurrent protection (For some units)
Open or short circuit of T4 temperature sensor
Open or short circuit of T3 temperature sensor
Open or short circuit of T5 temperature sensor
Outdoor EEPROM malfunction (For some units)
Outdoor fan speed is out of control
Open or short circuit of T2B temperature sensor
IPM module malfunction
Over voltage or over low voltage protection
Too low ambient temperature protection
Inverter compressor drive protection
Mode conflict
Low pressure protection of compressor
For Console
Indoor EEPROM malfunction
Communication malfunction between indoor and outdoor units
Indoor fan speed has been out of control
Open or short circuit of T1 temperature sensor
Open or short circuit of T2 temperature sensor
Overcurrent protection (For some units)
Open or short circuit of T4 temperature sensor
Open or short circuit of T3 temperature sensor
Open or short circuit of T5 temperature sensor
Outdoor EEPROM malfunction (For some units)
Outdoor fan speed is out of control
Open or short circuit of T2B temperature sensor (For free-match indoor units)
IPM module malfunction
Over voltage or over low voltage protection
Malfunction
X(off) ☆(flash at 2Hz)
O (on)
Malfunction
Error Code
E0
E1
E3
E4
E5
EE
F0
F1
F2
F3
F4
F5
F6
P0
P1
P3
P4
--
P6
31
Operation Lamp
Timer Lamp
(flashes)
X 1
X 2
X 4
X 5
X 6
X 8
O 1
O 2
O 3
O 4
O 5
O 6
O 7
☆
1
☆
2
☆
4
☆
5
☆
6
☆
7
Operation Lamp
Timer Lamp
(flashes)
X 1
X 2
X 4
X 5
X 6
O 1
O 2
O 3
O 4
O 5
O 6
O 7
☆
1
☆
2