Daikin FAQ71CVEB, Installation Manual

Page: 27 / 30

26 English
JA
Discharge pipe pressure sensor system
malfunction (Outdoor unit)
JC
Suction pipe pressure sensor system
malfunction (Outdoor unit)
L1
Inverter system malfunction
(Outdoor unit)
L3
Reactor thermistor malfunction
(Outdoor unit)
L4
Overheated heat-radiating fin
(Outdoor unit)
Inverter cooling failure.
L5
Instantaneous overcurrent
(Outdoor unit) The compressor engines and turbines may be
experiencing a ground fault or short circuit.
L8 Electric thermal (Outdoor unit)
The compressor engines and turbines may be
overloaded and disconnected.
L9 Stall prevention (Outdoor unit) The compressor may be locked.
LC
Transmission malfunction between
inverter and outdoor control unit
(Outdoor unit)
P1
Open-phase (Outdoor unit)
P3
DCL sensor system malfunction
(Outdoor unit)
P4
Heat-radiating fin thermistor
malfunction (Outdoor unit) Abnormal stop is applied depending on the
model or condition.
P6
DC output current sensor system
malfunction (Outdoor unit)
PJ Capacity setting failure (Outdoor unit)
Capacity setting adapter or capacity data
error, or disconnection of the capacity setting
adapter, failure to connect the adapter, or the
capacity is not set to the data-retention IC.
U0
Suction pipe temperature abnormal
(Outdoor unit)
The refrigerant may be insufficient.
Abnormal stop is applied depending on the
model or condition.
U1 Reverse phase (Outdoor unit) Reverse two phase of L1, L2 and L3 leads.
U2
Power voltage malfunction (Outdoor
unit)
The inverter open-phase or main circuit
condenser may be malfunctioning.
Abnormal stop is applied depending on the
model or condition.
U4
UF
Transmission error (between indoor
and outdoor units) Wiring error between indoor and outdoor unit. Or
Indoor and outdoor printed circuit board failure.
U5
Transmission error (between indoor
and remote controller units) Transmission between indoor unit and remote
controller is not performed properly.
U8
Transmission error between main and
sub remote controllers (sub remote
controller malfunction)
UA Field setting error
System setting error of the simultaneous on/
off multi-split type.
UE
Transmission error (between indoor
unit and centralized remote controller)
UC
Remote controller address setting error
UJ
Accessory equipment transmission
error Abnormal stop is applied depending on the
model or condition.
3P184443-9J_FM6.book Page 26 Wednesday, December 14, 2011 10:29 AM