Fujitsu ASUG15LZAS

Check point 5. Check the refrigerant amount
Check the refrigerant leakage.
↓
Check point 6. Replace main PCB
If check point 1 to 5 do not improve the symptom, replace the main PCB.
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End
2-25. E: A3. Compressor temperature error (Outdoor unit) - (03-40) - 2. Troubleshooting with error code
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