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Troubleshooting
SiENBE12-713
234
Service Diagnosis
5. Troubleshooting
5.1
Indoor Units
- : Not used for troubleshooting
∗
: Varies depending on the cases.
Indication on the
remote control
Description of the Fault
Details of fault
(Refer to the
indicated page.)
00
Indoor unit in normal condition (Conduct a diagnosis of the outdoor unit.)
—
A1
Indoor unit PCB abnormality
A5
Freeze-up protection control or high pressure control (heat pump model only)
A6
Fan motor or related
abnormality
AC motor (Wall : 20~35 C series, Duct, Floor / Ceiling)
DC motor (Wall : 20~50 D, E series, Floor)
C4
Heat exchanger thermistor or related abnormality
C7
Front panel open / close fault (FTXG-E series, CTXG-E series)
C9
Room temperature thermistor abnormality
U4
Signal transmission error (between indoor and outdoor units)
UA
Unspecified voltage (between indoor and outdoor units)
Summary of Contents for FTKS20D3VMW
Page 11: ...Introduction SiENBE12 713 x...
Page 47: ...Specifications SiENBE12 713 36 Specifications...
Page 113: ...Control Specification SiENBE12 713 102 Function and Control...
Page 235: ...Instruction SiENBE12 713 224 System Configuration...
Page 297: ...Check SiENBE12 713 286 Service Diagnosis...
Page 316: ...SiENBE12 713 Outdoor Unit Removal Procedure 305 Step Procedure Points...