Fujitsu AOU30RLXEH Design & Technical Manual page 40

 Control output function
 Operation/Stop status
Function
Mode External input and
setting /
0-1
60-00 / 1, 2
0-2
0-1 60-00 / 1
The output is low when the unit is stopped.
 Error status
Function
Mode External input and
setting /
9 60-09 / B
0-1 60-00 / 1
The output is ON when an error is generated for the indoor unit.
Rotary SW on
output PCB
Output of indoor unit
External input and
Operation
Indoor unit
Stop
High
CN3
Low
On
CN310
Off
Rotary SW on
output PCB
Output of indoor unit
External input and
Error
Indoor unit
Normal
High
CN3
Low
On
CN310―312
Off
External output
CN3
CN310
output PCB
External output
CN3
CN311
output PCB
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Output
Command
signal
Low → High Operation
High → Low Stop
Off → On Operation
On → Off Stop
Output
Command
signal
Low → High Error
High → Low Normal
Off → On Error
On → Off Normal