Daikin FDMA125AV16 Installation Manual page 19

Stall prevention
L9
(Outdoor unit)
Transmission malfunction
between inverter and
LC
outdoor control unit
(Outdoor unit)
Open-phase (Outdoor unit)
DCL sensor system
malfunction (Outdoor unit)
Heat-radiating fin
thermistor malfunction
(Outdoor unit)
DC output current sensor
system malfunction
P6
(Outdoor unit)
Capacity setting failure
PJ
(Outdoor unit)
Suction piping temperature
abnormal (Outdoor unit)
Reverse phase
(Outdoor unit)
Power voltage malfunction
(Outdoor unit)
Transmission error
U4
(between indoor and
UF
outdoor units)
Transmission error
us
(between indoor and
outdoor units)
Transmission error of the
U7
inverter module
Transmission error between
main and sub remote
UB
controllers (sub remote
controller malfunction)
UA Field setting error
Transmission error (between
indoor unit and centralized
UE
remote controller)
Remote controller address
setting error
Accessory equipment
transmission error
The compressor may be
locked.
Abnormal stop is applied
depending on the model or
condition.
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.
The refrigerant may be
insufficient.
Abnormal stop is applied
depending on the model or
condition.
Reverse two phase of L1,
L2 and L3 leads.
The inverter open-phase or
main circuit condenser may
be malfunctioning.
Abnormal stop is applied
depending on the model or
condition.
Wiring error between
indoor and outdoor unit. Or
Indoor and outdoor Printed
Circuit Board failure.
Transmission between
indoor unit and remote
controller is not performed
properly.
System setting error of the
simultaneous on/off multi-
split type.
Abnormal stop is applied
depending on the model or
condition.
-�CAUTION-----------­
After test operation is completed, check the items mentioned in
the clause
2. Items to be checked at delivery
If the interior finish work is not completed when the test
operation is finished, for protection of the air conditioner, ask
the customer not operate the air conditioner until the interior
finish work is completed.
If the air conditioner is operated, the inside of the indoor units
may be polluted by substances generated from the coating and
adhesives used for the interior finish work and cause water
splash and leakage.
To the operator carrying out test operation
- �
After test operation is completed, before delivering the air
conditioner to the customer, confirm that the control box lid is
closed.
In addition, explain the power supply status (power supply ON/
OFF) to the customer.
18
on page 4.
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