Fujitsu AOUG12LZAH1 Service Manual page 35

4. Troubleshooting with error code (For wireless LAN adapter)...............03-56
4-1. E: 18. External communication error between indoor unit and WLAN adapter .............03-56
4-2. Wireless LAN adapter error ..........................................................................................03-57
4-3. Network communication error between wireless LAN router and WLAN adapter.........03-58
4-4. E: 18. Communication error..........................................................................................03-60
4-5. E: 18. Wireless LAN adapter non-energized.................................................................03-62
4-6. Wireless LAN adapter Sleep mode (Indoor unit) ..........................................................03-63
4-7. Mobile app setting method............................................................................................03-64
5. Service parts information .........................................................................03-69
5-1. Compressor..................................................................................................................03-69
5-2. Inverter compressor......................................................................................................03-70
5-3. Outdoor unit Electronic Expansion Valve (EEV) ...........................................................03-71
5-4. Indoor unit fan motor ....................................................................................................03-73
5-5. Outdoor unit fan motor..................................................................................................03-74
5-6. IPM on transistor PCB ..................................................................................................03-75
6. Thermistor resistance values...................................................................03-77
6-1. Indoor unit ....................................................................................................................03-77
6-2. Outdoor unit..................................................................................................................03-78
CONTENTS (continued)