Fujitsu ABHG18KRTA, Service Manual

Page: 254 / 471

2-22. E: 58. Intake grille error (Indoor unit)
Indicator Indoor unit
Operation indicator 5 time flash
Timer indicator 8 time flash
Economy indicator Continuous flash
Error code E: 58
Detective actuator
Indoor unit main PCB
When the Micro switch is detected open while running
the compressor.
Micro switch
Forecast of cause
Micro switch failure
Shorted connector/wire
Main PCB failure
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 the main PCB
If Check Point 1 and 2 do not improve the symptom, replace the main PCB.
↓
End
2-22. E: 58. Intake grille error (Indoor unit)
- (03-38) -
2. Troubleshooting with error code
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