Specifications

895
FDC-HKX
13
Error display :
e4 1
[Power transistor overheating]
14
Error display :
e42
[Current cut (CM
1
) ]
Note (1) The LD2 on the inverter control PCB lights for 3 minutes. Fin thermostat set value : 118°C open
Notes (1) The LD3 lights for 3 minutes.
(2) For details of the check procedure, see the next page.
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
Keeps flashing
Outdoor unit
Indoor unit
Red LED
Green LED
Stays OFF
Keeps flashing
Red LED
Green LED
1 time flash
Keeps flashing
Outdoor unit
Remarks : When current-cut occurs immediately after start (the Hz value does not increase), check the LD3 on the inverter PCB if an error code is not indicated
on the remote controller and the compressor does not operate. When this LD3 is ON, see the next page.
Power transistor
overheating
(1)
Does
the
FM O
rotate?
YES
NO NO NO
YES
YES
Is the
outdoor unit
installation
space
proper?
Does the
IM (Inverter
cooling fan)
rotate?
Defective
inverter
Repair
(Refer to 904 page)
Is the current
(U,V,W) of the
compressor at the
normal level?
NO
• Is the power supply voltage correct
(not too hight)?
• Are the power supply wires
oppropriate (not too thin)?
• Is not it operated under
overload
YES
• Isn't the compressor locked?
• Is the insulation or winding resistance of the
compressor motor proper?
• Is the electronic expansion valve closed?
• Is the installation space of indoor/outdoor unit
adequate?
• Is there any short circuit on the indoor/outdoor
unit
• During cooling: Is FM
O operaing?
• At heating:
• Is FM 1 operaing?
• Is the service valve (gas side) opened fully?
• Is the filter clogged?
YES
YES
Power supply
reset
Defective
inverter
NO
Unit is normal
(Malfunction by
accidental noise)
(Refer to 904 page)