Daikin FVQ140CVEB Manual de instalación descargar pdf (Pagina 27)

26 English

12-1 HOW TO DIAGNOSE FOR PROBLEMS

With the power on. Troubles can be monitored on the

remote controller

The fault diagnosis for the BRC1E model remote controller should be performed while referring to the

installation manual supplied with the remote controller. For the other remote controllers, perform the fault

diagnosis using the following procedure.

■ Trouble shooting with the remote controller liquid crystal display.

1 With the remote controller. (NOTE 1)

When the operation stops due to trouble, the operation lamp flashes, and the liquid crystal display

indicates “ ” and the malfunction code. Diagnosis can be carried out using the malfunction code

list according to the indicated malfunction code.

In addition, when in group control it indicates the unit No., so the malfunction detected unit No. will

be clarified for resetting the malfunction, see (NOTE 2).

NOTE

1. When the INSPECTION/OPERATION button on the remote controller is pressed, the “ ” indica-

tion starts flashing.

2. When the ON/OFF button is kept pressed for 5 seconds or longer during the inspection mode, the

above trouble history indication disappears. In this case, after the malfunction code indication

flashes twice, the indication of code becomes “00” (normal) and unit NO. becomes “0”. Then, the dis-

play automatically changes from the inspection mode to the normal mode.

12-2 MALFUNCTION CODE

• For places where the malfunction code is left blank, the “ ” indication is not displayed. Though the

system continues operating, be sure to inspect the system and make repairs as necessary.

• Depending on the type of indoor or outdoor unit, the malfunction code may or may not be displayed.

Malfunction

code

Descriptions and measures Remarks

A1 Indoor printed circuit board failure

A3 Drain level abnormal

Indoor fan motor overload, over current,

lock

Indoor printed circuit board connection

failure

Humidifier system malfunction

Air purifier (dust collection,

deodorization) unit malfunction

Only the air purifier (dust collection,

deodorisation) unit does not function.

Abnormal stop is applied depending on the

model or condition.

AJ Capacity setting failure

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.

Transmission error between indoor

printed circuit board (main) and indoor

printed circuit board (sub)

Indoor heat exchanger liquid pipe

temperature sensor malfunction

Abnormal stop is applied depending on the

model or condition.

Indoor heat exchanger condenser /

evaporator thermistor malfunction

Abnormal stop is applied depending on the

model or condition.

Suction air thermistor malfunction

Abnormal stop is applied depending on the

model or condition.

CC Humidity sensor abnormal

Intelligent eye / floor temperature

sensor malfunction

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Daikin FVQ140CVEB Manual de instalación Pagina 27

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