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Troubleshooting
SiENBE04-925_A
78
Service Diagnosis
Troubleshooting
Check No.06
Refer to P.120
NO
NO
NO
Check No. 06
Check the indoor heat exchanger
thermistor.
YES
YES
(R7131)
YES
YES
NO
Caution
Provide sufficient air passage.
Clean the air filter.
Clean the indoor heat
exchanger.
Replace the indoor unit PCB.
Replace the thermistor.
Does it
conform to the
thermistor characteristic
chart?
Check the air filter.
Check the dust accumulation on
the indoor heat exchanger.
Is there any short circuit?
Is it very dirty?
Is it very dirty?
Check the air passage.
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
SIENBE04-925_A_FRONT.pdf 93
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...