Code :

Code: 38
Description: External temperature sensor error.
Causes: 1 External temperature/humidity sensor failure. 2 High-voltage power supply PCB failure. 3 Main PCB failure.
Remedy: 1 External temperature/humidity sensor failure Replace the high-voltage power supply PCB ASSY. 2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 39
Description: External humidity sensor error.
Causes: 1 External temperature/humidity sensor failure. 2 High-voltage power supply PCB failure. 3 Main PCB failure.
Remedy: 1 External temperature/humidity sensor failure Replace the high-voltage power supply PCB ASSY. 2 High-voltage power supply PCB failure Replace the high-voltage power supply PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 3A
Description: Engine PCB transfer error. (Communication error between the main CPU and sub CPU.)
Causes: 1 Harness connection failure between engine PCB and main PCB. 2 Engine PCB failure. 3 Main PCB failure.
Remedy: 1 Harness connection failure between engine PCB and main PCB Check the harness connection between the engine PCB ASSY and main PCB ASSY, and reconnect it. 2 Engine PCB failure Replace the engine PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

Code: 3F
Description: Write error in engine firmware.
Causes: 1 Engine PCB failure. 2 Main PCB failure.
Remedy: 1 Engine PCB failure Replace the engine PCB ASSY. 2 Main PCB failure Replace the main PCB ASSY.