(ECOi-Geräte)
(when indoor unit(s) are connected)
1. Error Detection Method
It is judged an error if no self-addressed communication is sent to the remote controller in a 3-minute period.
2. Error Diagnosis
| 1 Auto Address |
1-1 | Is auto address setting complete? | Yes | 1-2 | |
| No | 1-3 | ||||
| 1-2 | Is there an auto address setting error (Is the outdoor unit showing an alarm)? | Yes | 1-3 | ||
| No | 2-1 | ||||
| 1-3 | Conduct checks prior to auto address setting. | ||||
| 2 Group Control Wiring |
2-1 | Is that indoor unit under group control? | Yes | 2-2 | |
| No | 3-1 | ||||
| 2-2 | Are there any indoor units with their power off in the remote control group´s wiring? | Yes | Power on | ||
| No | 2-3 | ||||
| 2-3 | Are nine or more indoor units connected in one remote control group´s wiring? | Yes | Correct the wiring | ||
| No | 2-4 | ||||
| 2-4 | Was the remote control group´s wiring changed after auto address setting was complete? Alternatively, were group settings changed in the remote control detailed settings mode? | Yes | 2-5 | ||
| No | 3-1 | ||||
| 2-5 | No main unit in the remote control group´s wiring? Re-execute auto address setting. | ||||
| 3 Installation or setting related |
3-1 | Are the CHK pin and/or TEST pin on the indoor unit control board short-circuited? | Yes | Remove the short | |
| No | 3-2 | ||||
| 3-2 | Is the wireless remote controller and/or optional control PC board connected to on the indoor unit´s control PC board? | Yes | 3-3 | ||
| No | 3-5 | ||||
| 3-3 | Disconnect the connector mentioned above on the PC board of the indoor unit control PC board, and see whether the E01 goes off after several minutes. (When doing so, if two remote controllers are being used and the wireless remote controller is the main remote controller, set the other remote controller as the main.) | Yes | 3-4 | ||
| No | 3-5 | ||||
| 3-4 | Replace all optional control PC board and/or wireless remote control parts including wiring. | ||||
| 3-5 | Is the LED blinking on the indoor unit´s control PC board? | Yes | 3-6 | ||
| No | 3-7 | ||||
| 3-6 | The nonvolatile memory (EEPROM) on the indoor unit´s control PC board is either not installed, improperly installed or the nonvolatile memory is faulty. Correct this or after replacing the nonvolatile memory, write model data to it in the remote control detailed settings mode. | ||||
| 3-7 | Is there a short, miswiring, disconnection, wrong contact or grounding in the remote control´s wiring? | Yes | Correct the wiring | ||
| No | Replace the indoor unit´s control board | ||||
