Remote Controller Transmission Error
1. Error Detection Method
When the remote controller itself cannot transmit. Or when it cannot receive the signal it
transmitted itself, or when they are different and judged an error.
• Malfunction of the remote controller itself (transmit circuit error)
2. Error Diagnosis
Remote Control Group Wiring
|1-1||Is the indoor unit under group control?||Yes||1-2|
|1-2||Are the wires 1 (white) & 2 (black) to the remote control group shorted or opened?||Yes||Correct the wiring|
Group Control Wiring
|2-1||Is the wireless remote controller and/or optional control PC board connected to on the indoor unit’s control PC board?||Yes||2-2|
|2-2||Disconnect the connector mentioned above on the board of the indoor unit control PC board, and see whether the E02 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||2-3|
|2-3||Replace all optional control PC board and/or wireless remote control parts including wiring.|
|2-4||Is there a short, miswiring, open, wrong contact or grounding in the remote control’s wiring?||Yes||Correct the wiring|
|No||Replace the indoor unit’s control PC board|
- There is no TEST pin on the AC motor’s indoor unit board.
- Regarding the remote controller check, refer to the Reference Materials.
- For information on the procedures for replacing the nonvolatile memory (EEPROM) of the indoor unit and/or replacing theindoor unit’s control board, refer to the manual that is packaged with the indoor unit service board.