Fujitsu ASU30RLE Service Instruction page 110

 Control output function
 Operation/Stop status
Function
Mode
setting /
0-1
60-00 / 1, 2
0-2
0-1
The output is low when the unit is stopped.
 Error status
Function
Mode
setting /
9
0-1
The output is ON when an error is generated for the indoor unit.
Rotary SW on
External input and
output PCB
Output of indoor unit
60-00 / 1
Operation
Indoor unit
Stop
High
CN3
Low
On
CN310
Off
Rotary SW on
External input and
output PCB
60-09 / B Output of indoor unit
60-00 / 1
Error
Indoor unit
Normal
High
CN3
Low
On
CN310―312
Off
External output
External input and
CN310
output PCB
External output
External input and
CN311
output PCB
03-20
Output
Command
signal
Low → High
CN3
High → Low
Off → On
On → Off
Output
Command
signal
Low → High
CN3
High → Low
Off → On
On → Off
Operation
Stop
Operation
Stop
Error
Normal
Error
Normal