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Troubleshooting
Si12-411A
180
Service Diagnosis
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 separate type and multi type)
by the indoor / outdoor transmission signal.
Malfunction
Decision
Conditions
The separate 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
PC board (1) or (2).
Replace the indoor unit PC
board (1) (or the outdoor
unit PC board).
(Q0347)
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 PC boards
with the Parts List.
Содержание 2MKD58BVM
Страница 1: ...C Series Applied Models zInverter Multi Cooling Only zInverter Multi Heat Pump Si12 411A ...
Страница 6: ...Si12 411A Table of Contents v Index i Drawings Flow Charts v ...
Страница 7: ...Si12 411A vi Table of Contents ...
Страница 67: ...Specifications Si12 411A 56 Specifications ...
Страница 81: ...Printed Circuit Board Connector Wiring Diagram Si12 411A 70 Printed Circuit Board Connector Wiring Diagram ...
Страница 131: ...Instruction Si12 411A 120 System Configuration CDK X D 25 35 50 60 C Names of parts Indoor Unit 3 6 8 9 10 7 1 4 5 2 ...
Страница 173: ...Instruction Si12 411A 162 System Configuration ...
Страница 227: ...Check Si12 411A 216 Service Diagnosis ...
Страница 268: ...Si12 411A Others 257 Part 8 Others 1 Others 258 1 1 Test Run from the Remote Controller 258 1 2 Jumper Settings 259 ...
Страница 295: ...Si12 411A iv Index ...
Страница 298: ...Si12 411A Printed in Singapore 03 2005 AK COS ...