Error code
E: 94 Outdoor over-current trip detection
Applies to 6 models
ASUG09LZAS, ASUG12LZAS, ASUG15LZAS, AOUG09LZAH1, AOUG12LZAH1, AOUG15LZAH1
What this means
The outdoor unit repeatedly detected over-current after inverter-compressor startup and stopped for protection. Possible causes include obstructed airflow, clogged outdoor fins, excessive ambient heat, main-PCB failure, or a locked or shorted inverter compressor.
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.