73
Troubleshooting
Error Code / Fault Condition
When a malfunction of the air conditioner unit is detected, immediately switch off the main power supply
before proceeding with the following troubleshooting procedures.
The following are common fault conditions and simple troubleshooting tips. If any other fault conditions which
are not listed occur, contact your nearest local dealer. DO NOT attempt to troubleshoot the unit by yourself.
No
Fault conditions
Possible causes / corrective actions
1
The air conditioner unit will not resume after
power failure.
The auto restart function is not functioning.
Please turn on the unit with the wireless /
wired controller.
•
2
The compressor does not operate 3 minutes
after the air conditioner unit is started.
Protection against frequent starting.
Wait for 3 or 4 minutes for the compressor to
start operating by itself.
•
•
3
The air
fl
ow is too slow or room cannot be
cooled suf
fi
ciently.
The air
fi
lter is dirty.
The doors and windows are opened.
The air suction and discharge of both indoor
and outdoor units are clogged or blocked.
The regulated temperature or temperature
setting is not low enough.
•
•
•
•
4
Discharge air
fl
ow has bad odor.
Cigarettes, smoke particles, perfume and
others, which might have adhered onto the
coil, may cause odor.
Contact your nearest dealer.
•
•
5
Condensation on the front air grille of the indoor
unit.
This is caused by air humidity after an
extended period of operation.
The set temperature is too low. Increase the
temperature setting and operate the unit at
high fan speed.
•
•
6
Water
fl
owing out from the air conditioner.
Switch off the unit and contact your nearest
dealer. This might be due to tilted installation.
•
7
Hissing air
fl
ow sound from the air conditioner
unit during operation.
Liquid refrigerant
fl
owing into the evaporator
coil.
•
8
The wireless controller display is dim.
The batteries are discharged.
The batteries are not correctly inserted.
The assembly is not good.
•
•
•
9
Compressor operates continuously.
Dirty air
fi
lter. Clean the air
fi
lter.
Temperature setting too low (cooling). Use
higher temperature setting.
Temperature setting too high (heating). Use
lower temperature setting.
•
•
•
10
No cool air comes out during cooling cycle, or
no hot air comes out during heating cycle.
Temperature setting too high (cooling). Use
lower temperature setting.
Temperature setting too low (heating). Use
higher temperature setting.
•
•
11
On heating cycle, warm air does not come out.
Unit is in defrost mode. Heating operation will
resume after defrost cycle ends.
•
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Summary of Contents for FL15EXV1
Page 2: ......
Page 58: ...55 Wiring Diagrams Indoor Unit Model FL35EXV1 Outdoor Unit Model R35DXV1...
Page 59: ...56 Wiring Diagrams Indoor Unit Model FL40EXV1 Outdoor Unit Model R40DXV1...
Page 63: ...60 Wiring Diagrams Heatpump Indoor Unit Model FLY15EXV1 Outdoor Unit Model RY15CXV1...
Page 64: ...61 Wiring Diagrams Indoor Unit Model FLY20 25EXV1 Outdoor Unit Model RY18 20 25CXV1...
Page 66: ...63 Wiring Diagrams Indoor Unit Model FLY28EXV1 Outdoor Unit Model RY30DXV1...
Page 67: ...64 Wiring Diagrams Indoor Unit Model FLY35EXV1 Outdoor Unit Model RY35DXV1...
Page 68: ...65 Wiring Diagrams Indoor Unit Model FLY40EXV1 Outdoor Unit Model RY40DXV1...
Page 69: ...66 Wiring Diagrams Indoor Unit Model FLY40EXV1 Outdoor Unit Model RY40DXY1...
Page 78: ......
