118
PB
TROUBLESHOOTING
Malfunction of Temperature Sensor F1, F2
Indoor unit
(1) Malfunction of Temperature Sensor F1, F2
Main detection points:
●
Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted?
●
Is there short circuit due to trip-over of the parts?
●
Is the temperature sensor broken?
●
Is mainboard broken?
Malfunction diagnosis process:
Start
Is the wiring terminal between the
temperature sensor and the controller
loosened or poorly contacted?
Insert the temperature
sensor tightly
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
Is malfunction
eliminated
Is malfunction
eliminated
Is malfunction
eliminated
Make the parts upright
Replace it with a
temperature sensor with
the same model
Is there short circuit due to trip-
over of the parts
Is the temperature sensor normal
according to the resistance table?
Replace the mainboard with
the same model.
End
Summary of Contents for FSHW091
Page 8: ...8 INTRODUCTION FSHSW09A1A FSHSW12A1A Figure 102 Indoor Units FSHSW18A3A FSHSW24A3A FSHSW36A3A ...
Page 47: ...47 INSTALLATION ...
Page 48: ...48 INSTALLATION Installation Tools ...
Page 72: ...72 WIRED CONTROLLER Display ...
Page 122: ...122 TROUBLESHOOTING Malfunction of IDUFanMotorU8 Service Manual No Start End ...
Page 146: ...146 WIRING DIAGRAMS Figure 8054 9 12KOutdoorUnitWiringDiagrams 60000706067401 3 2 N 1 C3 C4 ...
Page 158: ...158 FIgure 906 PARTS CATALOG 9KOutdoorUnit 28 27 29 31 30 32 ...
Page 160: ...160 PARTS CATALOG 12k OutdoorUnit 28 27 29 31 30 32 FIgure 907 ...