Daikin FHQ125CAVEB Installation Manual download pdf (Page 33)

English 32

CAUTION

After test operation is completed, check the items mentioned in the clause 2 “2. Items to be checked at deliv-

ery” on page 4.

If the interior finish work is not completed when the test operation is finished, for protection of the air condi-

tioner, 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.

Transmission malfunction between

inverter and outdoor control unit

(Outdoor unit)

Open-phase (Outdoor unit)

DCL sensor system malfunction

(Outdoor unit)

Heat-radiating fin thermistor

malfunction (Outdoor unit)

Abnormal stop is applied depending on the

model or condition.

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.

Suction piping 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.

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.

Transmission error (between indoor and

outdoor units)

Wiring error between indoor and outdoor unit. Or

Indoor and outdoor Printed Circuit Board failure.

Transmission error (between indoor and

remote controller units)

Transmission between indoor unit and remote

controller is not performed properly.

Transmission error of the inverter module

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.

Transmission error (between indoor unit

and centralized remote controller)

Remote controller address setting error

Accessory equipment transmission

error

Abnormal stop is applied depending on the

model or condition.

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Daikin FHQ125CAVEB Installation Manual Page 33

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