Daikin RZVF50, Installation Manual

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E3
High pressure malfunction Suction piping pressure
(Outdoor unit) JC sensor system malfunction
E4
Low pressure malfunction
(Outdoor unit)
(Outdoor unit)
L1
Inverter system malfunction
ES
Compressor motor lock
(Outdoor unit)
malfunction (Outdoor unit)
L3
Reactor thermistor
E6
Compressor motor lock by
malfunction (Outdoor unit)
over current (Outdoor unit)
L4
Overheated heat-radiating
Inverter cooling failure.
Outdoor fan motor lock
fin (Outdoor unit)
malfunction (Outdoor unit) The compressor engines
E7
Outdoor fan instant over-
LS
Instantaneous overcurrent and turbines may be
current malfunction
(Outdoor unit) experiencing a ground fault
(Outdoor unit)
or short circuit.
E8
Input overcurrent
Electric thermal
The compressor engines
(outdoor unit)
L8
(Outdoor unit)
and turbines may be over-
Electric expansion valve
loaded and disconnected.
E9
malfunction (Outdoor unit)
Stall prevention The compressor may be
L9
Cooling/heating switch
(Outdoor unit) locked.
EA
malfunction (Outdoor unit)
Transmission malfunction
Discharge piping LC
between inverter and
F3 temperature malfunction
outdoor control unit
(Outdoor unit)
(Outdoor unit)
High pressure control
Open-phase (Outdoor unit)
(in cooling) (Outdoor unit)
DCL sensor system
Sensor fault for inverter
malfunction (Outdoor unit)
(Outdoor unit)
Heat-radiating fin Abnormal stop is applied
High pressure switch failure
thermistor malfunction depending on the model or
H3
(Outdoor unit)
(Outdoor unit) condition.
Low pressure switch failure
DC output current sensor
H4
(Outdoor unit)
P6 system malfunction
(Outdoor unit)
Outdoor fan motor position
H7 signal malfunction
Capacity setting adapter
(Outdoor unit)
or capacity data error, or
CT abnormality
Capacity setting failure
disconnection of the capacity
(Outdoor unit)
PJ
(Outdoor unit)
setting adapter, failure
to connect the adapter, or
Outdoor air thermistor Abnormal stop is applied the capacity is not set to the
system malfunction depending on the model or data-retention IC.
(Outdoor unit) condition.
The refrigerant may be
Pressure sensor system
Suction piping temperature
insufficient.
malfunction (batch) Abnormal stop is applied
(Outdoor unit)
abnormal (Outdoor unit)
depending on the model or
Current sensor system
Abnormal stop is applied
condition.
malfunction (Outdoor unit)
depending on the model or
Reverse phase Reverse two phase of L1,
condition. (Outdoor unit) L2 and L3 leads.
Discharge piping thermistor Abnormal stop is applied
The inverter open-phase or
system malfunction depending on the model or
main circuit condenser may
(Outdoor unit) condition.
Power voltage malfunction be malfunctioning.
Suction piping thermistor
(Outdoor unit) Abnormal stop is applied
system malfunction
depending on the model or
(Outdoor unit)
condition.
Outdoor heat exchanger
Abnormal stop is applied
Transmission error
Wiring error between
distributor liquid piping
U4
indoor and outdoor unit. Or
thermistor malfunction
depending on the model or
UF
(between indoor and
Indoor and outdoor Printed
(Outdoor unit)
condition.
outdoor units)
Circuit Board failure.
Outdoor heat exchanger
Abnormal stop is applied
Transmission error
Transmission between
condenser
I
evaporator
depending on the model or
us
(between indoor and
indoor unit and remote
thermistor malfunction
condition.
outdoor units)
controller is not performed
(Outdoor unit)
properly.
Liquid piping thermistor Abnormal stop is applied
U7
Transmission error of the
system malfunction depending on the model or
inverter module
(Outdoor unit) condition. Transmission error between
Gas piping thermistor
ua
main and sub remote
malfunction (cooling)
controllers (sub remote
(Outdoor unit)
controller malfunction)
Discharge piping pressure
System setting error of the
JA sensor system malfunction
UA Field setting error simultaneous on/off multi-
(Outdoor unit)
split type.
51