Table of Contents
User reference guide
3
CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B)
Daikin room air conditioner
4P518786-1F – 2020.05
7 Maintenance and service 39
7.1 Overview: Maintenance and service .............................................................................................................................. 39
7.2 To clean the indoor unit and user interface................................................................................................................... 40
7.3 To clean the front panel ................................................................................................................................................. 40
7.4 To open the front panel.................................................................................................................................................. 41
7.5 About the air filters......................................................................................................................................................... 41
7.6 To clean the air filters ..................................................................................................................................................... 41
7.7 To clean the titanium apatite deodorizing filter and the silver particle filter (Ag-ion filter) ........................................ 42
7.8 To replace the titanium apatite deodorizing filter and the silver particle filter (Ag-ion filter) ..................................... 43
7.9 To close the front panel.................................................................................................................................................. 43
7.10 To remove the front panel.............................................................................................................................................. 44
7.11 To take following items into account before a long idle period.................................................................................... 44
8 Troubleshooting 46
8.1 Symptoms that are NOT system malfunctions............................................................................................................... 48
8.1.1 Symptom: A sound like water flowing is heard ............................................................................................. 48
8.1.2 Symptom: A blowing sound is heard.............................................................................................................. 48
8.1.3 Symptom: A ticking sound is heard................................................................................................................ 48
8.1.4 Symptom: A whistling sound is heard............................................................................................................ 48
8.1.5 Symptom: A clicking sound during operation or idle time is heard .............................................................. 48
8.1.6 Symptom: A clapping sound is heard............................................................................................................. 49
8.1.7 Symptom: White mist comes out of a unit (Indoor unit, outdoor unit)........................................................ 49
8.1.8 Symptom: The units can give off odours ....................................................................................................... 49
8.1.9 Symptom: The outdoor fan rotates while the air conditioner is not in operation ....................................... 49
8.2 Solving problems based on error codes ......................................................................................................................... 49
8.3 Troubleshooting for wireless connection adapter......................................................................................................... 51
9 Disposal 52
10 Glossary 53
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