Durastar Mini-Splits
Re: Indoor Diagnostic/Error Codes
When the indoor unit encounters a recognized error, the operation lamp will flash in a corresponding series, the timer lamp may turn on or begin flashing, and an error code will be displayed. These error codes are described in the following tables:
| Operation |
Timer |
Display |
Description |
| -- |
-- |
dF |
|
| -- |
-- |
cF |
|
| -- |
-- |
SC |
|
| -- |
-- |
CL |
|
| -- |
-- |
nF |
|
| -- |
-- |
FP |
- Heating in Room Temperature Below 8 deg. C
|
| -- |
-- |
FC |
|
| -- |
-- |
AP |
- AP Mode of WIFI Connection
|
| -- |
-- |
CP |
|
| 1 Blink |
Off |
E0 |
- Indoor unit EEPROM parameter error
|
| 2 Blink |
Off |
E1 |
- Indoor / outdoor units communication error
|
| 3 Blink |
Off |
E2 |
- Zero-crossing signal detection error (for some models)
|
| 4 Blink |
Off |
E3 |
- The indoor fan speed is operating outside of the normal range
|
| 5 Blink |
Off |
E4 |
- Indoor room temperature sensor T1 is in open circuit or has short circuited
|
| 6 Blink |
Off |
E5 |
- Evaporator coil inlet temperature sensor T2 is in open circuit or has short circuited
|
| 8 Blink |
Off |
EE |
- Water-level alarm malfunction (for some models)
|
|
|
|
|
| 1 Blink |
On |
F0 |
- Current overload protection
|
| 2 Blink |
On |
F1 |
- Outdoor room temperature sensor T4 is in open circuit or has short circuited
|
| 3 Blink |
On |
F2 |
- Condenser coil temperature sensor T3 is in open circuit or has short circuited
|
| 4 Blink |
On |
F3 |
- Compressor discharge temperature sensor TP is in open circuit or has short circuited
|
| 5 Blink |
On |
F4 |
- Outdoor unit EEPROM parameter error
|
| 6 Blink |
On |
F5 |
- The outdoor fan speed is operating outside of the normal range (for some models)
|
| 7 Blink |
On |
F6 |
- Evaporator coil outlet temperature sensor T2B is in open circuit or has short circuited
|
| 11 Blink |
On |
fa |
- Communication error between indoor two chips (for some models)
|
|
|
|
|
| 1 Blink |
Flash |
P0 |
- IPM malfunction or IGBT over-strong current protection
|
| 2 Blink |
Flash |
P1 |
- Over voltage or over low voltage protection
|
| 3 Blink |
Flash |
P2 |
- High temperature protection of IPM module or High pressure protection or Top temperature protection of compressor
|
| 4 Blink |
Flash |
P3 |
- Low ambient temperature protection
|
| 5 Blink |
Flash |
P4 |
- Inverter compressor drive error
|
| 6 Blink |
Flash |
--/P5 |
- Indoor units mode conflict
|
| 7 Blink |
Flash |
P6 |
|
| 8 Blink |
Flash |
P7 |
- Outdoor IGBT sensor is faulty(for some models)
|