Fujitsu ADUH09LUAS1 Service Manual page 87

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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.
End
- (03-35) -
2-28. E: A1. Discharge temperature error (Outdoor unit)
2. Troubleshooting with error code

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