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Si12-619A
Troubleshooting
Service Diagnosis
209
5. Troubleshooting
5.1
Indoor Units
- : Not used for troubleshooting
∗
: Varies depending on the cases.
Indication on the
remote controller
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
211
A5
Freeze-up protection control or high pressure control (heat pump
model only)
212
A6
Fan motor or related abnormality
AC motor
214
DC motor
215
C4
Heat exchanger thermistor or related abnormality
217
C7
Shutter drive motor / shutter limit switch abnormality
218
C9
Room temperature thermistor abnormality
217
U4
Signal transmission error (between indoor and outdoor units)
219
UA
Unspecified voltage (between indoor and outdoor units)
221
Summary of Contents for 3MKS50DVM
Page 13: ...Introduction Si12 619A xii ...
Page 131: ...Control Specification Si12 619A 118 Function and Control ...
Page 213: ...Instruction Si12 619A 200 Operation Manual ...
Page 283: ...Check Si12 619A 270 Service Diagnosis ...
Page 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Page 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Page 399: ...Si12 619A vi Index ...