Error code

E: 35 MANUAL AUTO button error

Fault

Fujitsu · LZAS

Applies to 6 models
ASUG09LZAS, ASUG12LZAS, ASUG15LZAS, AOUG09LZAH1, AOUG12LZAH1, AOUG15LZAH1

What this means

The MANUAL AUTO switch has remained on for at least 30 seconds, or the switch, controller PCB, or indicator PCB has failed.

When to call a technician

This fault involves refrigerant, pressure, or electrical work that must be handled by a certified technician under EU F-gas rules. Do not attempt to open the refrigerant circuit, access mains wiring, or adjust pressure components yourself. Contact a qualified installer or servicer for this one.