Fujitsu AOUH18LMAS1, Service Manual

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Check point 6. Check the refrigerant amount
Check the refrigerant leakage.
Check point 7. Replace main PCB
If check point 1 to 6 do not improve the symptom, replace the main PCB.
End
2-31. E: A5.↓. Low pressure error (Outdoor unit)
- (03-50) -
2. Troubleshooting with error code
TR
O
U
B
LESH
O
O
TI
N
G
TR
O
U
B
LESH
O
O
TI
N
G