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5
L18 4-way Valve Switching Failure
* Check gas side pipe – for hot gas flow in cooling mode
Malfunction Decision Conditions
When indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during
cooling and compressor operating, the 4-way valve is detected as malfunction.
Malfunction Caused
Indoor heat exchanger (pipe) thermistor
4-way valve malfunction
Troubleshooting
SM830283-00_欧州向け R32シングル36-71形TD&SM.indb 11 2020/01/29 21:17:53
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