27
| For remote | Failure code | For central | Failure description | Reason | Remarks |
| Error | |
| type, flash | on wired | control, |
|
|
|
|
|
|
| times | controller | failure code |
|
|
|
|
| display( |
3 | 74(4AH) | 11D | Outdoor ambient temp. sensor failure | Sensor broken down or short circuit for more than 2m continuously |
|
|
| ||
1 | 01(01H) | 01D | Indoor ambient temp. sensor failure | Sensor broken down or short circuit for more than 2m continuously |
|
|
|
| |
2 | 02(02H) | 02D | Indoor coil temp. sensor failure | Sensor broken down or short circuit for more than 2m continuously |
|
|
|
| |
|
|
|
|
|
|
|
|
| For |
4 | 73(49H) | 12D | Outdoor coil temp. sensor failure (compressor | Sensor broken down or short circuit for more than 2m continuously |
|
|
| ||
|
|
|
| ||||||
|
|
|
| discharging temp. sensor) |
|
|
|
| ERA |
|
|
|
|
|
|
|
|
| |
5 | 72(48H) | 10D | CT check abnormal 3 times in 30m |
|
|
| |||
6 | 83(53H) | 14D | High pressure abnormal | High pressure switch acts 3 times in 30m |
|
|
| ||
7 | 71(47H) | 2D | Power supply abnormal | Fault phase, short of phase, out of balance greatly |
|
|
| series ) | |
|
|
|
|
|
|
|
| ||
8 | 07(07H) | 06D | Communication between wired |
|
|
|
| ||
|
|
|
| controller and indoor abnormal | Communication abnormal for more than 4m continuously |
|
|
| |
9 | 06(06H) | 06D | Communication between indoor and outdoor abnormal | Communication abnormal for more than 4m continuously |
|
|
|
| |
10 | 08(08H) | 21D | Drainage system abnormal | Float switch broken down for more than 25m continuously |
|
|
|
| |
11 | 11(0BH) | 30D | Outside alarm signal input | Outside signal broken down for more than 10s |
|
|
|
| |
12 | 03(03H) | 20D | Gas pipe temp. sensor abnormal | Sensor broken down or short circuit for more than 2m continuously |
|
|
|
| |
13 | 13(0DH) | 31D | Temperature protection malfunction | Solenoid valve act incorrectly 3 times continuously |
|
|
|
| |
|
|
|
|
|
|
|
|
| |
14 | 76(4CH) | 15D | Discharging temp. sensor abnormal | Sensor broken down or short circuit for more than 2m continuously |
|
|
|
| |
15 | 05(05H) | 17D | EEPROM abnormal | EEPROM data missing |
|
|
|
| |
16 | 84(54H) | 26D | Pressure abnormal(low pressure) | Low pressure switch acts in normal running |
|
|
|
| |
17 | 80(50H) | 15D | Compressor overheat | The discharging temperature is higher than 120degree | Resumable if |
|
|
| |
|
|
|
|
|
| lower than 100 |
|
| |
|
|
|
|
|
| degree |
|
| |
18 | 12(0CH) | 23D | Abnormal mode | Indoor operation mode is different with the running indoor unit. |
|
|
|
| |
19 | 75(4BH) | 18D | Outdoor coil B(suction temp | Sensor broken down or short circuit for more than 2m continuously |
|
|
|
| |
20 | 77(4DH) | 15D | Outdoor discharging B(oil temp | Sensor broken down or short circuit for more than 2m continuously |
|
|
|
| |
|
|
|
|
|
|
|
|
| |
21 | 20(32D) | 07D | SPDU module temperature protection | Spdu module temperature is too high |
|
|
|
| |
shows resumable fault, * shows it is not resumable fault.
Trouble Shooting