Si12-619A
Troubleshooting
Service Diagnosis
221
5.9
Unspecified Voltage (between Indoor and Outdoor Units)
Remote
Controller
Display
UA
Method of
Malfunction
Detection
The supply power is detected for its requirements (different from pair type and multi type) by the
indoor / outdoor transmission signal.
Malfunction
Decision
Conditions
The pair type and multi type are interconnected.
Supposed
Causes
Wrong models interconnected
Wrong indoor unit PCB mounted
Indoor unit PCB defective
Wrong outdoor unit PCB mounted or defective
Troubleshooting
Check the indoor and outdoor unit
model numbers.
Match the compatible
models.
Change for the specified
PCB (1) or (2).
Replace the indoor unit
PCB (or the outdoor unit
PCB).
(R6954)
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.
Indoor unit and outdoor unit
matched?
NO
YES
YES
Matched compatibly?
NO
Check the code numbers
(2P01234, for example) of the
indoor and outdoor unit PCB with
the Parts List.
Содержание 3MKS50DVM
Страница 1: ...Si12 619A Applied Models Inverter Multi Cooling Only Inverter Multi Heat Pump D Series E Series ...
Страница 13: ...Introduction Si12 619A xii ...
Страница 89: ...Printed Circuit Board Connector Wiring Diagram Si12 619A 76 Printed Circuit Board Connector Wiring Diagram ...
Страница 131: ...Control Specification Si12 619A 118 Function and Control ...
Страница 146: ...Si12 619A Instruction Operation Manual 133 Duct Connected Type Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2 ...
Страница 213: ...Instruction Si12 619A 200 Operation Manual ...
Страница 283: ...Check Si12 619A 270 Service Diagnosis ...
Страница 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Страница 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Страница 399: ...Si12 619A vi Index ...