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SiENBE04-925_A
Troubleshooting
Service Diagnosis
83
4.7
Unspecified Voltage (between Indoor Unit and Outdoor
Unit)
Remote Control
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 wiring of connecting wires
Wrong indoor unit PCB or outdoor unit PCB mounted
Defective indoor unit PCB
Defective outdoor unit PCB
Troubleshooting
(R11707)
Caution
NO
YES
YES
YES
NO
NO
Check the code numbers
(2P01234, for example) of the
indoor and outdoor unit PCB with
the Parts List.
Match the compatible models.
Change for the correct PCB.
Replace the indoor unit PCB
(or the outdoor unit PCB).
OK?
Matched
compatibly?
Correct the connection.
Are the
connection wires connected
property?
Check the combination of the
indoor and outdoor unit.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
SIENBE04-925_A_FRONT.pdf 98
24/02/2011 13:53:56
Summary of Contents for Inverter FTXL20G2V1B
Page 8: ...SiENBE04 925_A vi Table of Contents...
Page 14: ...Introduction SiENBE04 925_A xii...
Page 15: ...SiENBE04 925_A List of Functions 1 Part 1 List of Functions 1 Functions 2...
Page 17: ...SiENBE04 925_A Specifications 3 Part 2 Specifications 1 Specifications 4...
Page 20: ...Specifications SiENBE04 925_A 6 Specifications...