Fujitsu ASYG30LMTA Design & Technical Manual page 39

 Error status
Rotary SW on
Function
External input and
setting /
output PCB
60-09 / B
60-00 / 1
The output is ON when an error is generated for the indoor unit.
Indoor unit
CN3
CN310―312
 Indoor unit fan operation status
Function Rotary SW on External
setting / input and output PCB
60-10 / C
60-00 / 1
Output signal
On
The indoor unit fan is operating.
Low → High
Off The fan is stopped or during cold air prevention.
High → Low During thermostat off when in dry mode operation.
Indoor unit
CN3
CN311―312
External output
Output of indoor unit
External input and output
PCB
Error
Normal
High
Low
On
Off
External output
Output of indoor unit
External input and output
PCB
Condition
Fan run
Fan stop
High
Low
On
Off
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Output
signal
Low → High
CN3
High → Low
Off → On
CN311
On → Off
Output
signal
Low → High
CN3
High → Low
Off → On
CN312
On → Off
Command
Error
Normal
Error
Normal
Command
Fan run
Fan stop
Fan run
Fan stop