Daikin FVXM25A3V1B User Reference Manual page 3

CVXM-A, FVXM-A, CVXM-A9, FVXM-A9, FVXTM-A
Split system air conditioners
4P625990-1D - 2022.09
6.14 About Multi system......................................................................................................................................................... 41
6.14.1 Priority room setting ...................................................................................................................................... 42
6.14.2 Night quiet mode............................................................................................................................................ 43
6.14.3 Cooling/heating mode lock in Multi-system.................................................................................................. 43
7 Energy saving and optimum operation
8 Maintenance and service
8.1 Overview: Maintenance and service .............................................................................................................................. 46
8.2 To clean the indoor unit and wireless remote control .................................................................................................. 47
8.3 To clean the front panel ................................................................................................................................................. 48
8.4 About the air filters......................................................................................................................................................... 48
8.5 To remove the filters ...................................................................................................................................................... 49
8.6 To clean the air filter....................................................................................................................................................... 49
8.7 To clean the titanium apatite deodorising filter ............................................................................................................ 50
8.8 To replace the titanium apatite deodorising filter......................................................................................................... 50
8.9 To reinstall the filters ...................................................................................................................................................... 50
8.10 To re-install the front panel............................................................................................................................................ 51
8.11 To take following items into account before a long idle period .................................................................................... 52
9 Troubleshooting
9.1 Troubleshooting for wireless LAN connection ............................................................................................................... 56
9.2 Symptoms that are NOT system malfunctions............................................................................................................... 56
9.2.1 Symptom: Airflow temperature is NOT high enough during Heat plus operation ....................................... 57
9.2.2 Symptom: A sound like water flowing is heard ............................................................................................. 57
9.2.3 Symptom: A blowing sound is heard.............................................................................................................. 57
9.2.4 Symptom: A ticking sound is heard................................................................................................................ 57
9.2.5 Symptom: A whistling sound is heard............................................................................................................ 57
9.2.6 Symptom: A clicking sound during operation or idle time is heard .............................................................. 57
9.2.7 Symptom: A clapping sound is heard............................................................................................................. 57
9.2.8 Symptom: White mist comes out of a unit (Indoor unit) .............................................................................. 57
9.2.9 Symptom: The units can give off odours ....................................................................................................... 57
9.2.10 Symptom: The outdoor fan rotates while the air conditioner is not in operation ....................................... 58
9.2.11 Symptom: Fan speed does NOT correspond with the setpoint .................................................................... 58
9.2.12 Symptom: The fan setting during thermo off (keep dry function) differs from setting in the ONECTA
app .................................................................................................................................................................. 58
9.3 Solving problems based on error codes ......................................................................................................................... 58
10 Disposal
11 Glossary
Table of contents
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User reference guide
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