E: 58. Intake Grille Error (Indoor Unit) - Fujitsu ASUG09LZAS Service Manual

2-10. E: 58. Intake grille error (Indoor unit)

Indicator Indoor unit
Indoor unit main PCB
Detective actuator
Micro switch
Forecast of cause
Check point 1. Check limit switch
• Check operation of Micro switch. (any blocking by dust, etc.)
• Remove Micro switch and check ON/OFF switching operation by using a meter.
-> If micro switch is detective, replace it.
Check point 2. Check Connector (CN11)/wire
Check loose contact of CN11/shorted wire (pinched wire).
-> Replace micro switch if the wire is abnormal
Check point 3. Replace main PCB
If Check Point 1 and 2 do not improve the symptom, change main PCB.
2-10. E: 58. Intake grille error (Indoor unit)
Operation indicator
Timer indicator
Economy indicator
Error code
When the Micro switch is detected open while running
the compressor.
↓
↓
↓
End
- (03-20) -
5 time flash
8 time flash
Continuous flash
E: 58
Micro switch failure
Shorted connector/wire
Main PCB failure
2. Troubleshooting with error code